Name:    Mole-Mole Stoichiometry

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.

Given the reaction:     2 CO + O2 --> 2 CO2
What is the minimum number of moles of O2 required to produce 1 mole of CO2?
 a. 1.0 b. 2.0 c. 0.25 d. 0.50

2.

Given the reaction:    3 PbCl2 + Al2(SO4)3 --> 3 PbSO4 + 2 AlCl3
What quantity of PbSO4 is formed when 0.150 moles of Al2(SO4)3 is consumed?
 a. 0.0500 moles b. 0.150 moles c. 0.450 moles d. 0.600 moles

3.

Given the reaction:    Ca + 2 H2O --> Ca(OH)2 + H2
What quantity of H2O is needed to react exactly with 2.0 moles of Ca?
 a. 1.0 mole b. 2.0 moles c. 0.50 moles d. 4.0 moles

4.

Given the reaction:    2 NaOH + H2SO4 --> Na2SO4 + 2 H2O
What is the number of moles of NaOH needed to react completely with 2 moles of H2SO4?
 a. 4 b. 2 c. 1 d. 0.5

5.

Given the reaction:     2 Na + 2 H2O --> 2 NaOH + H2
What is the number of moles of hydrogen molecules produced when 4 moles of sodium react completely?
 a. 1 b. 2 c. 3 d. 4