Question

write the chemical name and chemical formula of salt used to remove parment hardness of water​

Answer 1

Answer:

Sodium carbonate (Na2CO3) is used to remove permanent hardness of water.

Explanation:

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Answer 2

Sodium carbonate (Na2CO3) is used to remove permanent hardness of water.

• Sodium Carbonate decahydrate, Na2CO3.10H2O

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