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

question 36

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 %

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