How many water molecules does hydrated cal-cium sulphate contain?
A. 5
B. 10
C. 7
D. 2
Answer:D
How many water molecules does hydrated cal-cium sulphate contain?
A. 5 B. 10 C. 7 D. 2
Explanation: Reason: Chemical formula of hydrated calcium sulphate or gypsum is CaSO4.2H2O