White crystalline solid of calcium (A), is sparingly soluble in water and solubility decrease wh
Channel: Doubtnut
Date: 2020-02-16

White crystalline solid of calcium (A), is sparingly soluble in water and solubility decrease when temperature increases. It dissolves in ammonium sulphate due to the formation of double salt. The number of water molecules perestent in one molecule of the double salt is _____.