Mixed stoichiometry review

Front

What is the measured amount of a product obtained from a chemical reaction?

Back

Actual yield

Front

In the equation 2 Al₂O₃ → 4 Al + 3 O₂, what is the mole ratio of aluminum to oxygen?

Back

4:3

Front

If you have 10 pieces of bread, 4 tablespoons of peanut butter, and 20 tablespoons of jelly, what is the limiting reactant when making a sandwich that requires 2 pieces of bread, 1 tablespoon of peanut butter, and 2 tablespoons of jelly?

Back

Peanut butter

Front

Where are mole ratios obtained from?

Back

Balanced chemical equation

Front

If I actually produced 6.0 grams of lithium chloride from 20.0 grams of lithium hydroxide, what is my percent yield?

Back

16.9%

Front

What is the definition of theoretical yield?

Back

The maximum amount of product that can be produced from a given amount of reactant.

Front

What is the definition of percentage yield?

Back

The ratio of actual yield to theoretical yield, expressed as a percentage.

Front

What is a limiting reactant?

Back

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

Front

What is a mole ratio?

Back

A ratio that relates the amounts in moles of any two compounds involved in a chemical reaction.

Front

What is the purpose of a balanced chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.