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Question : Complete and balanced the following reaction Na_(2)HPO_(4)+X to Y+NaH_(2)PO_(4)

Answer»

`X=NaHCo_(3), Y=NaCl`
`X=H_(2)CO_(3), Y=NaH_(2)CO_(3)`
`X=NaHCO_(3), Y=H_(2)CO_(3)`
`X=H_(2)CO_(3), Y=NaHCO_(3)`

ANSWER :d


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