Question

4 g of a hydrated crystal of formula AxH${}_2$O has 0.8 g of water. If the molar mass of the anhydrous crystal (A) is 144 g mol${}^{-1}$, x value is

• A. 4
• B. 1
• C. 2
• D. 3
• E. 5

Answer 1

Answer: (C)

Correct answer is (c) 2