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Na(2)HPO(3) is a normal salt - explain...

`Na_(2)HPO_(3)` is a normal salt - explain.

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`Na_(2)HPO_(3)` is normal salt formed by dibasic acid `H_(3)PO_(3)` . The hydrogen atom present in the salt is actually the non -acidic H - atom present in the parent `H_(3)PO_(3)` molecule. Hence, the H - atom present in `Na_(2)HPO_(3)` cannot be replaced by active metals or base.
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