Stoichiometry Mass to Mass

Front

What is the first step in solving a stoichiometry problem?

Back

Write a Balanced Equation.

Front

What is the mole ratio of aluminum to oxygen in the reaction 2 Al2O3 → 4 Al + 3 O2?

Back

4/3

Front

What is the mole ratio of oxygen to water in the reaction 2 H2 + O2 → 2 H2O?

Back

1/2

Front

How many grams of O2 are produced from 12.00 moles of NaClO3 in the reaction 2NaClO3 (s) → 2NaCl (s) + 3O2 (g)?

Back

576 g of O2.

Front

How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr) in the reaction Cl2 + 2KBr → Br2 + 2KCl?

Back

223 g.

Front

What is stoichiometry?

Back

The calculation of reactants and products in chemical reactions.

Front

Define a balanced chemical equation.

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What is the molar mass of NaClO3?

Back

106.44 g/mol.

Front

What is the molar mass of O2?

Back

32.00 g/mol.

Front

How do you convert moles to grams?

Back

Multiply the number of moles by the molar mass.