Chemistry – Stoichiometry Worksheet
Name:__________________ Period:_____
Chemistry: Stoichiometry Worksheet
1. How many grams of calcium carbonate are required to prepare 50.0 g of calcium oxide?
CaCO3 ( CaO + CO2
2. When 0.50 g of magnesium reacts with silver nitrate, how many grams of silver are prepared?
Mg + AgNO3 ( Mg(NO3)2 + Ag
3. If 75.0 g of copper react with mercuric nitrate, how many grams of mercury form?
Cu + Hg(NO3)2 ( Cu(NO3)2 + Hg
4. What mass of Na2SO4 is produced when sulfuric acid reacts with 200.0 g of sodium chloride?
NaCl + H2SO4 ( HCl + Na2SO4
5. How many grams of CO2 are produced when 88 g of O2 are reacted with an excess of butane?
C4H10 + O2 ( CO2 + H2O
6. How many moles of HCl are needed to form 3.5 x 103 moles of Cl2?
HCl + O2 ( H2O + Cl2
7. Cobalt(II) chloride reacts with fluorine in a single replacement reaction to produce cobalt(II) fluoride and chlorine gas. How many grams of fluorine are required to produce 290.8 g of cobalt(II) fluoride?
CoCl2 + F2 ( CoF2 + Cl2
8. If 90.0 g of barium chloride react with sulfuric acid, how many grams of HCl are produced?
BaCl2 + H2SO4 ( BaSO4 + HCl
9. If 320 grams of sodium carbonate react with calcium hydroxide, how many grams of sodium hydroxide are formed?
Na2CO3 + Ca(OH)2 ( CaCO3 + NaOH
10. If 10.0 g of aluminum sulfide are produced by the reaction of aluminum and sulfur, how many grams of sulfur were needed?
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