Plaster of Paris should be stored in moisture -proof container. Explain why.

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Solution

When a plaster of paris is mixed with water (moisture), crystals of gypsum are produced again, but this time they are set to form a hard solid mass.
${C a S O}_{4} . \frac{1}{2} H_{2} O + \frac{1}{2} H_{2} O ⇌ C a S O_{4} H_{2} O$
plaster of paris gypsum

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Plaster of Paris should be stored in a moisture-proof container. Explain why.

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Plaster of Paris should be stored in moisture -proof container. Explain why.

When a plaster of paris is mixed with water (moisture), crystals of gypsum are produced again, but this time they are set to form a hard solid mass.CaSO4.12H2O+12H2O⇌CaSO4H2Oplaster of paris gypsum

When a plaster of paris is mixed with water (moisture), crystals of gypsum are produced again, but this time they are set to form a hard solid mass.
${C a S O}_{4} . \frac{1}{2} H_{2} O + \frac{1}{2} H_{2} O ⇌ C a S O_{4} H_{2} O$
plaster of paris gypsum