Question

number of water molecules in crystal carbonate is .........


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Answer 1

Answer:

7

Explanation:

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Answer 2

Answer:

seven is the correct answer..

Explanation:

Sometimes, crystals of sodium carbonate contain seven water molecules. In such case chemical formula of sodium carbonate is written as Na2CO3 . 7 H2O and it is called sodium carbonate heptahydrate. Crystals of copper sulphate appears blue because it contains 5(five) water molecules.

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