The equivalent weight of phosphoric acid `(H_3 PO_4`) in the reaction
The equivalent weight of phosphoric acid `(H_3 PO_4`) in the reaction
A. 25
B. 49
C. 49
D. 98
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Correct Answer - 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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