Question

Define water of crystallization. How many molecules of water of crystallization is present in a formula unit of Plaster of Paris ? Why? What happens when plaster of Paris is kept uncovered for a long time. Write the equation of reaction occurring



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Answer 1

Explanation:

Here we can see that two molecules of calcium sulfate are sharing one molecule of water. Hence, for one molecule of calcium sulfate, half a molecule of water is required. This means the water of crystallization of the plaster of Paris is 0.5 .

Answer 2

Answer:

• Define water of crystallization. How many molecules of water of crystallization is present in a formula unit of Plaster of Paris ? Why? What happens when plaster of Paris is kept uncovered for a long time. Write the equation of reaction occurring

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Explanation:

• Definitions from Oxford Languages
• water of crystallization
• nounCHEMISTRY
• noun: water of crystallisation
• water molecules forming an essential part of the crystal structure of some compounds.

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