Sandwich stoichiometry answer key

Basic Stoichiometry PhET Lab. Let's make some sandwiches! Introduction: When we bake/cook something, we use a specific amount of each ingredient. Imagine if ...

Here’s the best way to solve it. PART 2- making sandwiches- 2 bread slices + 1 cheese slice = 1 sandwich bread used cheese used sandwiches made excess bread excess cheese 5 slices 5 slices 2 sandwiches 1 slices 3 slices 4 slices …. Name: Basic Stoichiometry PhET Lab Let's make some sandwiches! Step 1: Ensure that the reaction is balanced. The above reaction is balanced!!! Step 2: Convert grams of FeI 3 ‍ to moles. For this we first need to calculate the molar mass of FeI ‍ = 1 (atomic mass of Fe) + 3 (atomic mass of I) = 1 (55.845) + 3 (126.904) = 55.845 + 380.712 = 436.557 g.PROBLEM 5.2.1.1 5.2.1. 1. Write the balanced equation and determine the information requested. Don't worry about state symbols in these reactions. The number of moles and the mass (in grams) of chlorine, Cl 2, required to react with 10.0 g of sodium metal, Na, to produce sodium chloride, NaCl. The number of moles and the mass (in … I always use this lab before we actually discuss stoichiometry in class. This is great for Distance Learning! (But I use it during the regular school year). ★Digital Resource for Google Docs™★ Student Editable Lab Document (Google Doc™) Teacher Answer Key (Google Doc™) This activity is an excellent introduction to NGSS HS-PS1-7! Sandwich Stoichiometry. Part I : Cheese Sandwiches 1. Go to the PhET simulation: Reactants, Products & Leftovers -> phet.colorado/sims/html/reactants-products-and-leftovers/latest/reactants-pro ducts-and-leftovers_en. Select “Sandwiches” Select “Cheese” at the topQuestions & Answers. This is an exploratory lab activity that introduces the conceptual understanding of stoichiometry and limiting/excess reactants. It starts by just building sandwiches with different ingredients and then …

To perform a stoichiometric calculation, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above. Enter any known value. The remaining values will automatically be calculated. Use uppercase for the first character in the element and lowercase for the second ...Discover how reactants, products and leftovers are related in chemical reactions. Make sandwiches with different ingredients and see the results. Try different levels of game mode and get feedback.Stoichiometry is the accounting of atoms before and after a chemical reaction. It is an expression of the Law of Mass Conservation, in that elements are neither created nor destroyed in a chemical reaction, and that mass is an intrinsic property of every element.Thus, the numbers, types of atoms, and total mass exiting a chemical reaction …The coefficients for the two reactants (ingredients) are used to make a conversion factor between ham slices and pickles. Step 2: Solve. Since 5 pickles combine with 2 ham slices in each sandwich, 20 pickles are needed to fully combine with 8 ham slices. Step 3: Think about your result.VDOM DHTML tml>. Answer Key - Practice Problems - Mass-to-Mass Stoichiometry.Follow the step-by-step instructions listed below to eSign your sandwich stoichiometry worksheet answers: Choose the paper you want to sign and click the Upload button. Select My Signature. Select what type of eSignature to create. You can find 3 variants; a drawn, typed or uploaded eSignature.Stoichiometry exercises mole equations Stoichiometry exercises with answers pdf ️ basic stoichiometry phet lab answer key. reactants, products and. Printables. stoichiometry worksheets. tempojs thousands of printable. Stoichiometry phet lab basic key answer sandwiches make name some answers introduction let text …STOICHIOMETRY: MASS-MASS PROBLEMS 1.2KC103 + _302 Name How many grams of potassium chloride are produced if 25 g of potassium chlorate decompose? / 25 ken How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen in the above reaction? 3, How many grams of ammonia are produced in the reaction in …

The Stoichiometry practice is a 4-page worksheet that allows students to feel confident in their ability to determine how much product can be produced from a given amount of reactant.The answer key has detailed answers for every problem that includes each step in finding the solution.. It is scaffolded in a way that walks students through problems step … Follow the step-by-step instructions listed below to eSign your sandwich stoichiometry worksheet answers: Choose the paper you want to sign and click the Upload button. Select My Signature. Select what type of eSignature to create. You can find 3 variants; a drawn, typed or uploaded eSignature. Stoichiometry Lab. Stoichiometry February 28th‚ 2013 Abstract: The reactions of the Sodium Hydroxide and two acids‚ Hydrochloric Acid and Sulfuric Acid were performed. The heat given off by these two reactions was used to determine the stoichiometric ratio and the limiting reactants in each experiment.ANSWER KEY - Quiz Stoichiometry 2 Subject: Chemistry Author: Jeff Christopherson Last modified by: UNIT5 Created Date: 1/19/2004 8:13:00 PM Company: UNIT 5 SCHOOLS Other titles: ANSWER KEY - Quiz Stoichiometry 2 Category: Chemistry - Stoichiometry ...Answer. 2.04 mol . These examples illustrate the ease with which the amounts of substances involved in a chemical reaction of known stoichiometry may be related. ... Stoichiometric amounts of sandwich ingredients for this recipe are bread and cheese slices in a 2:1 ratio. Provided with 28 slices of bread and 11 slices of cheese, one …Stoichiometry sheets: Stoichiometry I (dd-ch): I love the smell of stoichiometry in the morning! Stoichiometry Practice Worksheet: The most fun you can have with a calculator. More Exciting Stoichiometry Problems: More fun for the whole chemist family. Balancing Equations and Simple Stoichiometry: Just what it sounds …

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Answer Key Chapter 12: Stoichiometry 12.1 Everyday Stoichiometry ... Answers 1. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C),Chemistry Study Guide Stoichiometry Answer Key Pdf, but stop occurring in harmful downloads. Rather than enjoying a fine book as soon as a mug of coffee in the afternoon, instead they juggled afterward some harmful virus inside their computer. Chemistry Study Guide Stoichiometry Answeranswer key for basic stoichiometry phet lab - Bing WIN MOTOR PARTS. 2 2 Basic Stoichiometry Phet Lab Homework Exercises Answers 2022-09-16 Basic Stoichiometry Phet Lab Homework ... sandwiches!B asic Stoichiometry PhET Lab rvsd 2/2011 Let's make some sandwiches! Introduction: When we bake/cook something, we use a …S'more Stoichiometry Definitions: 'Stoichio' means element and 'metry' means the process of measuring. The mass and quantity relationships among reactants and products in a reaction are found us'ng the process of stoichiometry. Problem: l) If you are given one bag of arge marshmallows, what is the maximum number of S'mores that can be made?Jeopardy is a beloved game show that has captivated audiences for decades. One of the key elements that makes Jeopardy so engaging is the quality of its questions and answers. Craf...Basic Stoichiometry Phet Lab Homework Exercises Answers 1 Basic Stoichiometry Phet Lab Homework Exercises Answers If you ally compulsion such a referred Basic Stoichiometry Phet Lab Homework Exercises Answers book that will meet the expense of you worth, get the extremely best seller from us currently from several preferred authors.

Stoichiometry is one of the most fundamental topics in a high school chemistry course, but it is also one of the most challenging concepts for students to master. 1 Stoichiometry is abstract, making it challenging to learn and teach. 2 As with any abstract concept, activities that encourage conceptual thinking tend to promote a deeper level of understanding. 3How many moles of water are produced when 57 moles of nitrogen are made? 3. Calculate the mass of aluminum oxide produced when 3.75 moles of aluminum burn in oxygen. Answers: 1A. 30 mol Ag 1B. 30 mol AgNO3. 1C. 20 mol H2O 1D. 10 mol NO. 2A. 38 mol N2H4 2B. 19 mol N2O4. 2C. 76 mol H2O.Chem 115 POGIL Worksheet - Week 4 Moles & Stoichiometry Answers Key Questions & Exercises. 1. The atomic weight of carbon is 12.0107 u, so a mole of carbon has a mass of 12.0107 g. Why doesn’t a mole of carbon weigh 12 g? The atomic weight refers to the weighted average of masses of the isotopes comprising a naturally occurring sample of …Basic Stoichiometry PhET Lab. Let's make some sandwiches! Introduction: When we bake/cook something, we use a specific amount of each ingredient. Imagine if ...Discover how reactants, products and leftovers are related in chemical reactions. Make sandwiches with different ingredients and see the results. Try different levels of game mode and get feedback. Multiplying the number of moles of H A 2 SO A 4 by this factor gives us the number of moles of NaOH needed: 3.16 × 10 − 2 mol H 2 SO 4 × 2 mol NaOH 1 mol H 2 SO 4 = 6.32 × 10 − 2 mol NaOH. Notice how we wrote the mole ratio so that the moles of H A 2 SO A 4 cancel out, resulting in moles of NaOH as the final units. Sandwich Stoichiometry Answer Key Introduction to Soft Matter Ian W. Hamley 2013-03-18 This book provides an introduction to this exciting and relativelynew subject with chapters covering natural and synthetic polymers,colloids, surfactants and liquid crystals highlighting the many andvaried applications of these materials. Answer Key Chapter 12: Stoichiometry. 12 Everyday Stoichiometry. ... Answers. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C), a slice ... Discover how reactants, products and leftovers are related in chemical reactions. Make sandwiches with different ingredients and see the results. Try different levels of game mode and get feedback.Stoichiometry practice worksheet Basic stoichiometry post lab homework exercises answers – online degrees Stoichiometry worksheet answer key unit templateroller. Sandwich_stoichiometry. Unit 8 stoichiometry worksheet 1 answersStoichiometry worksheet passage density Sandwich stoichiometry …This breakout escape room is a fun way for students to test their skills with stoichiometry. Most problems give the chemical equation. A few problems require students to figure out the chemical equation, balance it, and then answer the question. This product normally requires the printing of the questions to accompany a digital form for ...

The clue prompts them to solve a stoichiometry problem. The correct answer (round-able within 0.05) should be a whole number. That number is their next clue. The path is a loop that leads students through up to 30 stoichiometry problems. The scavenger hunt clues use mixed units (molecules, atoms, grams, moles and liters of a …

Mar 18, 2020 ... Share your videos with friends, family, and the world.Dec 14, 2016 ... This is a whiteboard animation tutorial of how to solve simple Stoichiometry problems. Stoichiometry ('stoichion' means element, ...Mar 29, 2017 ... This is a whiteboard animation tutorial that demonstrates how to identify the actual yield of a chemical reaction and how to calculate the ...In this article, we will be reviewing Chapter 9 of our Mathematics education curriculum, specifically focusing on stoichiometry in Section 1. This section is crucial for understanding the relationship between reactants and products in chemical reactions. We will provide you with the answer key to help you assess your understanding and reinforce ...View PhET Sandwich Stoichiometry ch.docx from CHEMISTRY 1E03 at McMaster University. Sandwich Stoichiometry Part I : Cheese Sandwiches 1. Go to the PhET simulation: Reactants, Products & LeftoversIt takes practice to be able to write balanced equations. There are essentially three steps to the process: 1. Write the unbalanced equation. Chemical formulas of reactants are listed on the left side of the equation. Products are listed on the right side of the equation.Sandwich Stoichiometry - Reaction Progress – GeoGebra. Check Details. Stoichiometry yield key chessmuseum. Stoichiometry worksheet with answersStoichiometry lesson plans & worksheets Basic stoichiometry phet lab answers / mole lab worksheets teachingStoichiometry worksheet answers. ... Unit 08 - …The concept of stoichiometry will help us answer questions like . ... Answer: 4.035 grams of iodine must react to yield 4.63 grams of ferric iodide. Problem 3. ... Now the key task is to be able to identify which reactant is the limiting reactant in a given chemical reaction. AK - 11ZZ 677996 Mayfield SS - 7.1 Gizmo PhET Sandwich Stoichiometry modified (1) - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

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The term Stoichiometry comes from the Greek word "stoicheion" meaning element, and "metron", meaning measure. Mass and volume relationships between substances in a chemical reaction based on the mole ratios from coefficients in a reaction. this type deals with the mass relationships of elements in compounds. Unit 11 Gas Worksheet 3 Molar Volume and Gas Stoichiometry 2010 - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free.to the answer key to check if your answers match the correct ones everyday stoichiometry example pageindex 1 ham sandwich stoichiometry solution step 1 list the known ...Stoichiometry Worksheet #1 Answers 1. Given the following equation: 2 C 4H 10 + 13 O 2---> 8 CO 2 + 10 H 2O, show what the following molar ratios should be. a. C 4H 10 / O 2 b. O 2 / CO 2 c. O 2 / H 2O d. C 4H 10 / CO 2 e. C 4H 10 / H 2O 2. Given the following equation: 2 KClO 3---> 2 KCl + 3 O 2 a. How many moles of O 2 can be produced by ...s'more symbol. S2MmOr3. Study with Quizlet and memorize flashcards containing terms like What does the lab explore, What is the purpose of this lab, Stoichiometry - and more.Feb 7, 2024 · Basic stoichiometry phet lab sandwiches make some text answer enter name click let introduction answers homework questions Phet build an atom worksheet answers — db-excel.com Phet isotopes and atomic mass worksheet answer key — db-excel.com. Phet Isotopes And Atomic Mass Worksheet Answer Key — db-excel.com Stoichiometry phet pdffiller ... 4 Phet Sandwich Stoichiometry Lab Answer Key 2023-10-20 New Testament world. The first edition has been widely used in the classroom (over 30,000 copies sold). This updated edition, now with improved readability and narrative flow, will bring the social and political world of Jesus and his first followers to life for many more students of ...PhET simulation of sandwich stoichiometry. Click Create Assignment to assign this modality to your LMS. ... Everyday Stoichiometry. The quantitative relationship between reactants and products in a chemical …In this article, we will be reviewing Chapter 9 of our Mathematics education curriculum, specifically focusing on stoichiometry in Section 1. This section is crucial for understanding the relationship between reactants and products in chemical reactions. We will provide you with the answer key to help you assess your understanding and reinforce ... Each puzzle is carefully crafted to assess different aspects of stoichiometry, such as balancing chemical equations, determining the limiting reactant, and calculating mole ratios. With the provided answer key PDF, you can easily check your students’ solutions and assess their understanding of key stoichiometry concepts. Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following questions in the lab. Part 1: Cheese Sandwiches 2. Select "Sandwiches" 3. Select "Cheese" at the top 4. Use the arrows to enter the following under reactants on the left ("Before Reaction"): 8 pieces of bread 8 pieces of cheese 5. ….

I always use this lab before we actually discuss stoichiometry in class. This is great for Distance Learning! (But I use it during the regular school year). ★Digital Resource for Google Docs™★ Student Editable Lab Document (Google Doc™) Teacher Answer Key (Google Doc™) This activity is an excellent introduction to NGSS HS-PS1-7! Part 1: Cheese Sandwiches 2. Select “Sandwiches” 3. Select “Cheese” at the top 4. Use the arrows to enter the following under reactants on the left (“Before Reaction”): 8 pieces of bread 8 pieces of cheese 5. The term stoichiometry is derived from two Greek words: stoicheion (meaning "element") and metron (… The quantitative relationship among reactants and products is called stoichiometry. ... Step 3: Answer the question of what is being asked. The question asks how much H2(g) was produced. You are expected to solve for the …Stoichiometry is one of the most fundamental topics in a high school chemistry course, but it is also one of the most challenging concepts for students to master. 1 Stoichiometry is abstract, making it challenging to learn and teach. 2 As with any abstract concept, activities that encourage conceptual thinking tend to promote a deeper level of understanding. 3Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education <a {{0}}>research</a> and engage students through an intuitive, game-like environment where students learn through exploration and discovery.Apr 5, 2024 ... Justify your answer. 5. In this simulation what do you think the sandwich represents, the atom or the molecule? Justify ...AK - 11ZZ 677996 Mayfield SS - 7.1 Gizmo PhET Sandwich Stoichiometry modified (1) - Free download as PDF File (.pdf), Text File (.txt) or read online for free.One can find the percentage of the mass of a compound that comes from each of the elements in the compound by using this equation: (number of atoms)(atomic weight) % element = (FW of the compound) x 100. Percent Composition. So the percentage of carbon in ethane is... (2)(12.0 amu)Answers: 1A. 30 mol Ag 1C. 20 mol H 2 O 2A. 38 mol N 2 H 4 2C. 76 mol H 2 O 1B. 30 mol AgNO 3 1D. 10 mol NO 2B. 19 mol N 2 O 4 3. 191 g Al 2 O 3When it comes to finding the perfect pair of shoes, comfort is key. And for ladies who want both style and comfort, Hotter Shoes have become a top choice. But what sets Hotter Shoe... Sandwich stoichiometry answer key, Key Concepts: • Stoichiometry is the quantitative balancing of elements in chemical reactions. • Conservation of mass requires that all atoms that enter a reaction as reactants must exit the reaction in the products. • The Ideal Gas Law is used to model equilibrium conditions of most gases, relating the, View Sandwich_Stoichiometry_PHET_modified (1).docx from CHEM 100 at Amador Valley High. Sandwich Stoichiometry Name _ Part I : Cheese Sandwiches • Go to the PhET simulation, This substantial bundle contains everything you would need for a complete advanced chemistry course: at least two sets of PowerPoints, the Guided Practice Questions & answer key to engage students during instruction, an average of 4-6 review documents (& answer keys), a list of key terms, an. 244. Products. $475.00 $521.00 Save $46.00., Follow the step-by-step instructions listed below to eSign your sandwich stoichiometry worksheet answers: Choose the paper you want to sign and click the Upload button. Select My Signature. Select what type of eSignature to create. You can find 3 variants; a drawn, typed or uploaded eSignature. , marshmallow unit mass. 7.10 g. chocolate segments symbol. Or. chocolate segments unit mass. 3.30. s'more symbol. S2MmOr3. Study with Quizlet and memorize flashcards containing terms like What does the lab explore, What is the purpose of this lab, Stoichiometry - and more., Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following questions in the lab. Part 1: Cheese Sandwiches 2. Select "Sandwiches" 3. Select "Cheese" at the top 4. Use the arrows to enter the following under reactants on the left ("Before Reaction"): 8 pieces of bread 8 pieces of cheese 5. , Learn about chemical reactions and ratios with this fun and interactive simulation. Make sandwiches or molecules and test your skills with different levels of challenge., Answer Key Chapter 12: Stoichiometry. 12 Everyday Stoichiometry. ... Answers. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C), a slice ... , Consider this concept now with regard to a chemical process, the reaction of hydrogen with chlorine to yield hydrogen chloride: H2(g) +Cl2(g) → 2HCl(g) H 2 ( g) + Cl 2 ( g) → 2 HCl ( g) The balanced equation shows the hydrogen and chlorine react in a 1:1 stoichiometric ratio., How many moles of water are produced when 57 moles of nitrogen are made? 3. Calculate the mass of aluminum oxide produced when 3.75 moles of aluminum burn in oxygen. Answers: 1A. 30 mol Ag 1B. 30 mol AgNO3. 1C. 20 mol H2O 1D. 10 mol NO. 2A. 38 mol N2H4 2B. 19 mol N2O4. 2C. 76 mol H2O., Catholicism is one of the oldest and most widely practiced religions in the world. With over a billion followers, it has a rich history and a complex set of beliefs and traditions...., View 1.3 LAB.pdf from CHEM 1321 at Virtual High School. Chemistry B Sandwich Stoichiometry 40 Points Directions: 1. Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following , Dec 15, 2020 · Stoichiometry is one of the most fundamental topics in a high school chemistry course, but it is also one of the most challenging concepts for students to master. 1 Stoichiometry is abstract, making it challenging to learn and teach. 2 As with any abstract concept, activities that encourage conceptual thinking tend to promote a deeper level of understanding. 3 , A perennial favorite on menus, we take shrimp scampi and put it in a brioche bun for a new twist on an old classic. This sandwich features juicy plump sautéed shrimp in a rich butt..., , Multiplying the number of moles of H A 2 SO A 4 by this factor gives us the number of moles of NaOH needed: 3.16 × 10 − 2 mol H 2 SO 4 × 2 mol NaOH 1 mol H 2 SO 4 = 6.32 × 10 − 2 mol NaOH. Notice how we wrote the mole ratio so that the moles of H A 2 SO A 4 cancel out, resulting in moles of NaOH as the final units. , Answer Key Chapter 12: Stoichiometry 12.1 Everyday Stoichiometry Practice ... Answers 1. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C), ... Check the answers with the answer key at the bottom of the page. Review Questions 1. If a reactant is in excess, why do we not worry about the mole ratios involving, Name: Stoichiometry WorkSheet #1: Worked Solutions. Answer the following questions on your own paper. Show all work. Circle the final. answer, giving units and the correct number of significant figures. 1. Based on the following equation, how many moles of each product are produced when 5.9 moles of Zn(OH)2 are reacted with H3PO4?, a. 2H2 + O2 → 2H2O. b. There is a 1:1 ratio between moles of H2 and moles of water, so 1 mole of water will be produced. c. One mole of oxygen yields 2 moles of water, so hydrogen is the limiting reagent and will run out first. d. oxygen is the excess reactant; there will be 0.5 moles oxygen remaining. 1g H., Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following questions in the lab. Part 1: Cheese Sandwiches 2. Select “Sandwiches” 3. Select “Cheese” at the top 4. Use the arrows to enter the following under reactants on the left (“Before Reaction”): 8 pieces of bread 8 pieces of cheese 5., Gizmo Warm-up Just as a cook follows a recipe to decide how much of each ingredient to add, a chemist uses stoichiometry to determine the amounts of substances involved in chemical reactions. The Stoichiometry Gizmo™ allows you to try your hand at figuring out the amounts of reactants and products that take part in a chemical reaction. To begin, …, Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many …, What is the molarity of the HCl? Solution. As for all reaction stoichiometry calculations, the key issue is the relation between the molar amounts of the ..., Summary. In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN 3) that must be used to inflate a vehicle air bag to the correct size. Follow-up practice problems are also provided., View Sandwich Stoichiometry PHET.pdf from SCI 3U1 at Richmond Green Secondary School. Hayden Tam Name _ Sandwich Stoichiometry Part I : Cheese Sandwiches 1. Go to the PhET simulation, Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following questions in the lab. Part 1: Cheese Sandwiches 2. Select “Sandwiches” 3. Select “Cheese” at the top 4. Use the arrows to enter the following under reactants on the left (“Before Reaction”): 8 pieces of bread 8 pieces of cheese 5., 36 chemfiesta stoichiometry practice worksheet answersStoichiometry answer answers molarity mole chessmuseum kidsworksheetfun practices ️ basic stoichiometry phet lab answer key. reactants, products andStoichiometry phet lab basic key answer sandwiches make name some answers introduction let text enter click homework questions pdf sheet., The Stoichiometry Gizmo™ allows you to try your hand at figuring out the amounts of reactants and products that take part in a chemical reaction. To begin, check that this equation is shown: Fe2O3 + 3CO 2Fe + 3CO2 1. Look at the coefficients (such as the “3” in 3CO) in front of each substanc., Part 1: Cheese Sandwiches 2. Select “Sandwiches” 3. Select “Cheese” at the top 4. Use the arrows to enter the following under reactants on the left (“Before Reaction”): 8 pieces of bread 8 pieces of cheese 5. , Gizmo Warm-up Just as a cook follows a recipe to decide how much of each ingredient to add, a chemist uses stoichiometry to determine the amounts of substances involved in chemical reactions. The Stoichiometry Gizmo™ allows you to try your hand at figuring out the amounts of reactants and products that take part in a chemical reaction. To begin, …, Name: Alexandria Jeremi Block 6 Basic Stoichiometry PhET Lab Let's make some sandwiches! Introduction: When we bake/cook something, we use a specific amount of …, An organic compound is found to contain 92.25 % carbon and 7.75 % hydrogen. If the molecular mass is 78, calculate: The empirical formula = C The empirical fo ula mass = The molecular formula = --1 B 13. In an experiment, a student gently heated a hydrated CuS04 x H20 to remove the water. The following data was recorded: Mass of empty crucible ..., Recommended size: 6 ½ “ x 5 ⅞” - not a quart bag, cheap store brand sandwich bags work well! Baking soda (sodium bicarbonate): about 2.5 grams per lab group. A 1 lb box can be used for at least 180 groups. Vinegar (5% acetic acid): about 60 mL per lab group. A gallon can be used for at least 60 groups. Balance.