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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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