Problem: Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water: Cr2O3(s) + 3H2S(g) ⟶Cr2S3(s) + 3H2O(l) To produce 421 g of Cr2S3, how many grams of Cr2O3 are required?

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Cr2O3(s) + 3H2S(g) ⟶Cr2S3(s) + 3H2O(l)

The given equation in the problem is already balanced. 

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Problem Details

Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water: 

Cr2O3(s) + 3H2S(g) ⟶Cr2S3(s) + 3H2O(l) 

To produce 421 g of Cr2S3, how many grams of Cr2O3 are required?

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Based on our data, we think this problem is relevant for Professor Harris' class at UF.

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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.