What is the difference in the number of water | vedclass

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Question

(D) The chemical formula for gypsum is $CaSO_4 \cdot 2H_2O$,which contains $2$ molecules of water of crystallization.The chemical formula for plaster

Vedclass · Accepted Answer

$1.5$

Vedclass · Answer

(D) The chemical formula for gypsum is $CaSO_4 \cdot 2H_2O$,which contains $2$ molecules of water of crystallization.The chemical formula for plaster of Paris is $CaSO_4 \cdot \frac{1}{2}H_2O$,which contains $0.5$ molecules of water of crystallization.The difference in the number of water molecules is $2 - 0.5 = 1.5$.

What is the difference in the number of water molecules between gypsum and plaster of Paris?

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