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Calculate mass of phosphoric acid requir...

Calculate mass of phosphoric acid required to obtain 53.4 g pygrophosphoric acid.
`2H_(3)PO_(4) to H_(4)P_(2)O_(7) + H_(2)O`

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The correct Answer is:
`58.8` g
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Pyrophosphorous acid, H_(4)P_(2)O_(5)

Equivalent weight of Pyrophosphoric acid is (H_(4)P_(2)O_(7)) .

Incorrect statements for pyrophosphorus acid (H_(4)P_(2)O_(5)) is

The oxo-acids of P_(2)O_(5) are H_(3)PO_(4), H_(3)P_(2)O_(7), HPO_(3) , and H_(3)PO_(3) .

What is the equivalent weight of phosphoric acid (H_(3) PO_(4)) according to the equation NaOH + H_(3) PO_(4) rarr NaH_(2) PO_(4) + H_(2)O

The equivalent weight of phosphoric acid (H_(3)PO_(4)) in the reaction NaOH+H_(3)PO_(4) rarr NaH_(2)PO_(4)+H_(2)O is

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