Question

what is the calcium sulphate decahydrare?​

Answer 1

Explanation:

It has many uses in industry. All forms are white solids that are poorly soluble in water. Calcium sulfate causes permanent hardness in water.

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Calcium sulfate.

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Answer 2

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Calcium sulfate, CaSO_4, is a naturally occurring calcium salt. It is commonly known in its dihydrate form, CaSO_4∙2H_2O, a white or colourless powder called gypsum. As uncalcined gypsum, the sulfate is employed as a soil conditioner.