Mole-Mole Stoichiometry Practice

Mole-Mole Stoichiometry Practice

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Mole-Mole Stoichiometry Practice

Show all setups. Identify the types of reaction. Not all reactions are balanced

  1. How many moles of sodium will react with water to produce 4.0 mol of hydrogen in the following reaction? Na(s) + H2O(l)Na(OH)(aq) + H2(g)
  1. How many moles of lithium chloride will be formed by the reaction of chlorine with 0.046 mol of lithium bromide?

2LiBr(aq) + Cl2(g) 2LiCl(aq) + Br2(l)

  1. Aluminum will react with sulfuric acid in the following reaction.

Al(s) + H2(SO4)(aq) Al2(SO4)3(aq) + H2(g)

  1. How many moles of H2(SO4) will react with 18 mol Al?
  1. How many moles of each product will be produced?
  1. Propane burns in excess oxygen according to the following reaction.

C3H8 + 5O2 3CO2 + 4H2O

  1. How many moles of each of CO2 and H2O are formed from 3.85 mol of propane?
  1. If 0.647 mol of oxygen is used in the burning of propane, how many moles of each of CO2 and H2O are produced? How many moles of C3H8 are consumed?
  1. How many moles of propane are needed to produce 1.26 x 102 mol of water.

Mass-Mass Stoichiometry Practice

Show all setups. Identify the types of reaction. Not all reactions are balanced

  1. If 80.0 grams of O2 are reacted in the following reaction, how many grams of N2O will be produced? 2NH3 + 2O2  N2O + 3H2O
  1. Given 145.7 grams of manganese (IV) oxide, how much hydrochloric acid (HCl) is needed to use up the MnO2 completely?

MnO2 + HCl  Cl2 + MnCl2 + H2O

  1. How many grams of carbon are needed to completely react with 125 g of iron (III) oxide ?

Fe2O3 + C  Fe + CO

  1. If you react 100. grams of aluminum chloride with excess calcium, how many grams of calcium chloride are produced?

3 Ca + 2 AlCl3  3 CaCl2 + 2 Al

  1. How many grams of carbon dioxide will form from the combustion 320.0 grams of C5H12with excess oxygen?

C5H12 + O2  CO2 + H2O

  1. Given 75.0 grams of iron (IV) sulfide, how many grams of sulfur dioxide are produced?

FeS2 + O2  Fe2O3 + SO2

Mass-Volume Stoichiometry Practice

Show all setups. Identify the types of reaction. Not all reactions are balanced

  1. How many liters are formed if 4.00g of Zinc react with excess hydrochloric acid?

Zn(s) + HCl(aq) H2(g) + ZnCl2(aq)

  1. How many liters of hydrogen are produced if I start with 8.21g of hydrogen chloride?
  1. If excess chlorine gas reacts with a solution containing 20.0 grams of potassium bromide, how many milliliters of bromine gas can be produced? KBr(aq) + Cl2(g) KCl(aq) + Br2(g)
  1. How many grams of copper (II) oxide can be reduced to copper metal with 10.0 liters of hydrogen?

CuO(s) + H2(g)  Cu(s) + H2O(g)

  1. In the reaction between aluminum and oxygen, how many grams of aluminum are required to react with 5.00 liters of oxygen?

Al(s) + O2(g)  Al2O3(s)

  1. How much aluminum oxide will be formed if I start with 6.2 x 10-4 L of oxygen?
  1. What volume of O2 will be produced from 15.2g of hydrogen?

H2(g) + O2(g) ----> H2O(l)

  1. How much water will be produced using the mass of hydrogen listed above?

Volume-Volume Stoichiometry Practice

Show all setups. Identify the types of reaction. Not all reactions are balanced

  1. In the electrolysis of water, 75.0 cm3 of oxygen gas are produced. How many cm3 of hydrogen are produced? H2O(l) H2(g) + O2(g)
  1. If an electric discharge produces 20.0 cm3 of ozone, O3, how many milliliters of oxygen are required? 3O2(g) 2O3(g)
  1. Ammonia can be produced by the Haber process. H2(g) + N2(g)  NH3(g)
  1. If 60.0 liters of NH3 are produced, how many liters of hydrogen are necessary?
  1. A farmer wants 2.75 x 1022L of ammonia to fertilize his corn. How much nitrogen would he need?
  1. How many cm3 of chlorine gas are required to produce 50.0 cm3 of hydrogen chloride gas (When HCl is in the gas phase, it is called hydrogen chloride, not hydrochloric acid).

H2(g) + Cl2(g)  HCl(g)

Mass-Particles Stoichiometry Practice

Show all setups. Identify the types of reaction. Not all reactions are balanced

  1. Calcium carbonate found in limestone and marble reacts with hydrochloric acid to form calcium chloride, carbon dioxide, and water.
  2. Write a balanced equation for the reaction.
  1. If I start with 5.00 x 103g of calcium carbonate, how many molecules of carbon dioxide will I produce?
  1. I have 4.53 x 1026 molecules of calcium chloride. How many molecules of water do I have?
  1. In the reaction between aluminum and oxygen, how many atoms of aluminum are required to react with 5.00 grams of oxygen? Al(s) + O2(g)  Al2O3(s)
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