What Is the Percent Yield If 122 Grams of SiO₂

question 76

Multiple Choice

What is the percent yield if 122 grams of SiO₂ are made from 246 g of Cr₂O₃ by the following equation?
3 Si(s) + 2 Cr₂O₃(s) → 3 SiO₂(s) + 4 Cr(l)

• A)83.6%
• B)49.6%
• C)125%
• D)33.1%
• E)59.3%

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