Warm-up HAPPY TUESDAY!!

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# Warm-up HAPPY TUESDAY!! - PowerPoint PPT Presentation

Warm-up HAPPY TUESDAY!!. Using the following formula, perform the conversions C 6 H 12 + 9 O 2  6 CO 2 + 6 H 2 O How many moles of water are produced from 50.8 moles of oxygen?? How many moles of C 6 H 12 are needed to produce 1009 moles of carbon dioxide?.

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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?

### Stoichiometry: moles to mass

Unit Seven, Day Two

Kimrey

13 November 2012

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.
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.
Grams to moles
• N2 + H2  NH3
• Using the above reaction. How many moles of ammonia is produced from 55.78 grams of nitrogen?
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?
Grams to grams
• H2 + O2 H2O
• Using the above reaction. How many grams of water will be produced from 56.78 grams of oxygen?