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 %

---

Definitions:

Infraspinatus

A muscle located on the back of the shoulder blade and is involved in the rotation and stabilization of the shoulder joint.

Posterior Antebrachial

Refers to the back side of the forearm.

Extensor Carpi Ulnaris

A muscle of the forearm that extends and adducts the wrist, located on the ulnar side.