Smore_stoichiometry - Chem 142 Summer 2011 S'more...

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Chem 142 Summer 2011 Page 1 of 3 S’more Stoichiometry Introduction: In this experiment, you will explore the principles of stoichiometry by building S’mores, the delicious, chocolate, marshmallow, and graham cracker treats. 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 using the process of stoichiometry. Purpose: To determine the limiting reactant in the synthesis of S’mores. Materials: Per Group: 2 Miniature Chocolate bars 5 Graham cracker squares 3 Marshmallows Paper Towels Problem: 1) Given the materials provided, what is the limiting reactant in the S’more synthesis reaction? How much of the excess reactants will remain? 2) If you are given one bag of large marshmallows, what is the maximum number of S’mores that can be made? 3) How many boxes of graham crackers and how many bags of miniature chocolate bars are needed to make this many S’mores? Solutions:
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This note was uploaded on 01/19/2012 for the course CHEM 142A taught by Professor Campbell during the Summer '11 term at University of Washington.

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Smore_stoichiometry - Chem 142 Summer 2011 S'more...

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