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Understanding Stoichiometry: Conversions and Mole Calculations in Chemical Reactions

Dive into the world of stoichiometry with this guide focused on quantitative relationships in chemical reactions. Learn how to perform molecular conversions using balanced equations, such as C6H12 + 9O2 → 6CO2 + 6H2O. We will solve practical problems, like determining how many moles of water are produced from 50.8 moles of oxygen and how many moles of C6H12 are needed to generate 1009 moles of CO2. Understand the steps of stoichiometry, including balancing equations and converting grams to moles and vice versa.

shelby-singleton
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Understanding Stoichiometry: Conversions and Mole Calculations in Chemical Reactions

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  1. Warm-up HAPPY TUESDAY!! • Using the following formula, perform the conversions C6H12 + 9 O2 6 CO2+ 6 H2O How many moles of water are produced from 50.8 moles of oxygen?? How many moles of C6H12 are needed to produce 1009 moles of carbon dioxide?

  2. Stoichiometry: moles to mass Unit Seven, Day Two Kimrey 13 November 2012

  3. What is stoichiometry? • Stoichiometry is the study of the quantitative relationships in reactions. • Use mole ratios (the coefficients) to convert between one substance to another in a BALANCED equation.

  4. Steps for stoichiometry • Balance the equation • Convert to moles if you don’t have moles • Use, and only use, the mole ratio to convert between substances.

  5. Grams to moles • N2 + H2  NH3 • Using the above reaction. How many moles of ammonia is produced from 55.78 grams of nitrogen?

  6. Moles to grams • Zn + HCl ZnCl2 + H2 • Using the above reaction. How many grams of zinc chloride would be produced from 9.87 moles of zinc metal?

  7. Grams to grams • H2 + O2 H2O • Using the above reaction. How many grams of water will be produced from 56.78 grams of oxygen?

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