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When zinc sulfide is heated in air, zinc oxide and sulfur dioxide forms: 2ZnS(s) + 3O2(g) = 2ZnO(s) + 2SO2(g) How many grams of zinc oxide is formed when 100 grams of zinc sulfide is burned? Assume that the zinc sulfide is the limiting reactant.

The answer is one of the following:

a. 8.5 grams ZnO
b. 23.5 grams ZnO
c. 43.5 grams ZnO
d. 77.95 grams ZnO
e. 83.5 grams ZnO.

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The two pages solution shows in detail how many grams of zinc oxide are formed.

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