Kaolinite, a Clay Mineral with the Formula Al₄Si₄O₁₀(OH)₈, Is Used

Multiple Choice

Kaolinite, a clay mineral with the formula Al₄Si₄O₁₀(OH) ₈, is used as a filler in slick-paper for magazines and as a raw material for ceramics. Analysis shows that 14.35 g of kaolinite contains 8.009 g of oxygen. Calculate the mass percent of oxygen in kaolinite.

A) 1.792 mass %
B) 24.80 mass %
C) 30.81 mass %
D) 34.12 mass %
E) 55.81 mass %