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The equivalent weight of phosphoric acid...

The equivalent weight of phosphoric acid `(H_3 PO_4`) in the reaction

A

25

B

49

C

49

D

98

Text Solution

Verified by Experts

The correct Answer is:
D
`NaOH+H_(3)PO_(4) to NaH_(2)PO_(4) +H_(2)O`
In this reaction ,
Eq. mass of `H_(3)PO_(4) `=mol. Mass
`=3xx1+31+16xx4`
`=3+31+64=98`
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