Chemistry 51

Stoichiometry Calculation Practice Worksheet

1. Calculate the number of moles of NaOH that are needed to react with 500.0 g of

H2SO4 according to the following equation:

H2SO4 + 2 NaOH  Na2SO4 + 2 H2O

ANS: 10.19 mol

2. Calculate the mass of NH3 that can be produced from the reaction of 125 g of NCl3

according to the following equation:

NCl3 + 3 H2O  NH3 + 3 HOCl

ANS: 17.7 g

3. Identify the limiting reactant and determine the mass of CO2 that can be produced from the

reaction of 25.0 g of C3H8 with 75.0 g of O2 according to the following equation:

C3H8 + 5 O2  3 CO2 + 4 H2O

ANS: 61.9 g

4. How many grams of SO2 are produced when 152 g of CS2 react with 48.0 g of O2

according to the following equation:

CS2 + 3 O2  CO2 + 2 SO2

ANS: 64.1 g

Stoichiometry Worksheet

Fundamentals of Chemistry (CHM 110 )