What Is the Percent Yield If 185 Grams of SiO₂

question 53

Multiple Choice

What is the percent yield if 185 grams of SiO₂ are made from 328 g of Cr₂O₃ by the following equation? 3 Si(s) + 2 Cr₂O₃(s) → 3 SiO₂(s) + 4 Cr(l)

• A) 142%
• B) 70%
• C) 56%
• D) 105%
• E) 95%

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