Stoichiometry

Front

What is Stoichiometry?

Back

Stoichiometry is the branch of chemistry that deals with the calculation of reactants and products in chemical reactions based on the conservation of mass.

Front

What is the molar mass of NaCl?

Back

The molar mass of NaCl (sodium chloride) is approximately 58.44 g/mol.

Front

How do you convert moles to grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass of the substance.

Front

What is the balanced equation for the decomposition of NaClO3?

Back

2 NaClO3 (s) → 2 NaCl (s) + 3 O2 (g) is the balanced equation.

Front

How many grams of O2 are produced from 12.00 moles of NaClO3?

Back

576 grams of O2 are produced from 12.00 moles of NaClO3.

Front

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

Back

The mole ratio is 4 moles of Al to 3 moles of O2.

Front

How do you calculate the amount of a reactant needed in a reaction?

Back

Use the mole ratio from the balanced equation to determine the amount of reactant needed based on the amount of product.

Front

What is the molar mass of KBr?

Back

The molar mass of KBr (potassium bromide) is approximately 119.00 g/mol.

Front

How many grams of KCl can be produced from 356 g of KBr?

Back

223 grams of KCl can be produced from 356 g of KBr.

Front

What is the balanced equation for the reaction of NH3 and NO?

Back

4 NH3 + 6 NO → 5 N2 + 6 H2O is the balanced equation.