What Is the Percent Yield If 185 Grams of SiO₂

question 49

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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