What volume of water is required to fully react with 100 grams of calcium sulfate hemihydrate to form calcium sulfate dihydrate?

Explanation

The correct volume of water needed to completely convert 100 g of calcium sulfate hemihydrate into calcium sulfate dihydrate is 18.6 ml. Other values such as 22.2 ml, 30.4 ml, and 45.3 ml are incorrect.