Problem: When powdered zinc is heated with sulfur, a violent reaction occurs, and zinc sulfide forms: Zn(s) + S8(s) ⟶ZnS(s) [unbalanced] Some of the reactants also combine with oxygen in air to form zinc oxide and sulfur dioxide. When 83.2 g of Zn reacts with 52.4 g of S8, 104.4 g of ZnS forms.If all the remaining reactants combine with oxygen, how many grams of each of the two oxides form?

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First balance the reaction:

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Problem Details

When powdered zinc is heated with sulfur, a violent reaction occurs, and zinc sulfide forms: 

Zn(s) + S8(s) ⟶ZnS(s) [unbalanced] 

Some of the reactants also combine with oxygen in air to form zinc oxide and sulfur dioxide. When 83.2 g of Zn reacts with 52.4 g of S8, 104.4 g of ZnS forms.

If all the remaining reactants combine with oxygen, how many grams of each of the two oxides form?

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.