Analía Bellizzi – Chemistry Classes

Ronald Reagan High School

Stoichiometry Set#1

STOICHIOMETRY SET #1

Before working, be sure that your paper has your name and the CORRECT TITLE.

IGCSE – HONORS – IDEAL STOICHIOMETRY PROBLEMS

  1. Zn(s) + 2 HCl(aq) ==> ZnCl2(aq) + H2(g)
    1. How many moles of HCl are required for complete reaction of 0.40 moles of zinc?
    2. How many moles of hydrogen are produced from the reaction of 0.40 moles of zinc with an excess of HCl?
    3. How many liters of hydrogen are produced from the reaction of 0.40 moles of HCl with an excess of zinc?
    4. How many molecules of hydrogen are produced from the reaction of 4 moles of Zn?
  1. C3H8(g) + 5 O2(g) ==> 3 CO2(g) + 4 H2O(g)
    1. How many moles of O2 are required for complete reaction of 1.5 moles of propane (C3H8)?
    2. How many moles of carbon dioxide are produced from the reaction of 1.5 moles of propane with an excess of oxygen?
    3. How many liters of propane are burned when 0.60 liters of carbon dioxide are produced?
    4. How many molecules of carbon dioxide are produced from the reaction of 0.20 moles of propane?
  1. 4 FeS2(s) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
    1. How many moles of O2 are required for complete reaction of 4.0×10^-3 moles of FeS2?
    2. How many moles of Fe2O3 should be produced from the reaction of 4.0×10^-3 moles of FeS2 with an excess of oxygen?
    3. How many moles of SO2 should be produced from the reaction of 4.0×10^-3 moles of FeS2 with an excess of oxygen?
    4. How many molecules of SO2 should be produced from the reaction of 4.0×10^-3 moles of FeS2?
  1. CH4(g) + 2 O2(g) ==> CO2(g) + 2 H2O(g)
    1. How many grams of O2 are required for complete reaction of 1.6 grams of methane (CH4)?
    2. How many grams of water should be produced from the reaction of 1.6 grams of methane with an excess of oxygen?
    3. How many liters of carbon dioxide should be produced from the reaction of 1.6 grams of methane with an excess of oxygen?
    4. How many grams of methane were burned in an excess of oxygen to produce 7.2 grams of water?
  1. 2 H2S(g) + SO2(g) ==> 3 S(s) + 2 H2O(l)
    1. How many grams of SO2 are required for complete reaction of 1.7 grams of hydrogen sulfide?
    2. How many grams of S are produced from the reaction of 1.7 grams of hydrogen sulfide with an excess of sulfur dioxide?
    3. How many grams of SO2 with an excess of hydrogen sulfide were used to produce 0.75 grams of sulfur?
    4. How many atoms of S are produced from the reaction of 1.7 grams of hydrogen sulfide?