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The equivalent weight of phosphoric acid H3PO4 in the reaction NaOH +H3PO4 → NaH2 PO4 + H2O is

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answer is 98.

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Detailed Solution

Molecular weight of H3PO4=98 In the reaction only one H atom is replaced. Equivalentweight= Molecular weightNumber of ions of H ions replaced = 981 = 98.

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