Question

Write the chemical formula for the compound formed by the calcium ion with phosphate sulphate and hydrogen carbonate ions.

Answer 1

Calcium with:

phosphate = Ca(PO4)2

sulphate=CaSO4

hydrogen= CaH2

carbonate =CaCO3

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Answer 2

The required chemical formula is as follows-

• The valency of calcium ion is +2. Valency of phosphate ion is -3, sulphate is -2 and hydrogen carbonate is -1.
• Thus, the chemical formula for calcium phosphate will be Ca3(PO4)2.
• The chemical formula for calcium sulphate will be CaSO4.
• The chemical formula for calcium hydrogen carbonate will be Ca(HCO3)2.
• All the bonds of given calcium compounds are ionic.