CaSO4.2H2O Δ120∘C−−−−−−→ A–– + 3H2O.A is
Gypsum when heated to 120∘C loses three forth water to form plaster of paris.
Find the number of moles of CaSO4.2H2O present in 3.011×1024 formula units of CaSO4.2H2O