Question

The chemical formula for plaster of Paris is:

Options

• CaSO₄ . 2H₂O

• CaSO₄ . H₂O

• CaSO₄ . `1/2`H₂O

• 2 CaSO₄ . H₂O

Answer 1

CaSO₄ . `bb(1/2)`H₂O

Explanation:

Plaster of Paris is the common name for calcium sulfate hemihydrate. Its chemical formula CaSO₄ . `1/2`H₂O.