Stoichiometry Review

Front

What is the formula for percent yield?

Back

Front

What is the percent yield if the theoretical yield is 13 grams and the actual yield is 12.5 grams?

Back

96.2%

Front

What is an Excess Reagent?

Back

The reagent that is left over after the reaction.

Front

For the reaction 3Fe + 4H2O → Fe2O4 + 4H2, how many moles of iron(III) oxide are produced from 437 g of iron?

Back

2.61 mol

Front

If your percent yield is 80% and the actual amount of product produced was 29.1 grams, what is the theoretical yield?

Back

36.3 grams

Front

Define Stoichiometry.

Back

The calculation of reactants and products in chemical reactions.

Front

What is the limiting reagent?

Back

The reactant that is completely consumed in a reaction, limiting the amount of product formed.

Front

How do you calculate the number of moles from grams?

Back

Front

What is the molar mass of water (H2O)?

Back

18.02 g/mol.

Front

What is the significance of the coefficients in a balanced chemical equation?

Back

They represent the ratio of moles of each substance involved in the reaction.