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Stoichiometry Part II

Stoichiometry Part II. Converting Past Mole-Mole. Many stoichiometry problems follow a pattern: _____________________________________. We can start anywhere along this path depending on the question we want to answer.

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Stoichiometry Part II

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  1. StoichiometryPart II

  2. Converting Past Mole-Mole • Many stoichiometry problems follow a pattern: _____________________________________ • We can start anywhere along this path depending on the question we want to answer • Notice that we cannot directly convert from ___________ of one compound to ___________ of another. Instead we have to go through _____________.

  3. _____________ _____________ __________________________________________ Moving along the stoichiometry path • We always use the same type of information to make the jumps between steps: grams (x)  moles (x)  moles (y)  grams (y)

  4. Stoichiometry Question (3) 4NH3 + 5O2 6H2O + 4NO • How many grams of H2O are produced if 2.2 mol of NH3 are combined with excess oxygen?

  5. Stoichiometry Question (4) 4NH3 + 5O2 6H2O + 4NO • How many grams of O2 are required to produce 0.3 mol of H2O?

  6. Stoichiometry Question (5) 4NH3 + 5O2 6H2O + 4NO • How many grams of NO is produced if 12 g of O2 is combined with excess ammonia?

  7. Have we learned it yet? Try these on your own: Given: 4NH3 + 5O2 6H2O + 4NO b) what mass of NH3 is needed to make 0.75 mol NO? c) how many grams of NO can be made from 47 g of NH3?

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