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Phospheric acid (H(3)PO(4)) perpared i...

Phospheric acid `(H_(3)PO_(4))` perpared in two step process .
(1) `P_(4)+5O_(2) to P_(4)O_(10)" "(2) P_(4)O_(10) + 6H_(2)O to 4H_(3)PO_(4)`
Well allow 62 g of phosphrous to react with exces oxygen which from `P_(4)O_(10)` in `85%` yield . In the sep (2) reaction `90%` yield of `H_3)PO_(4)` is obtained . Mass of `H_(3) PO_(4)` produced is :

A

`37.485 g`

B

`149. 949 g`

C

`125. 47 g `

D

`564.48 g`

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underline(P_(4))O_(10)+H_(2)O to H_(3)PO_(4)

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Phosphoric acid (H_3PO_4) prepared in a two step process. (1) P_4+5O_2rarrP_4 O_10 (2) P_4 O_10+6H_2Orarr4H_3 PO_4 We allow 62g of phosphorus to react with excess oxygen which form P_4 O_10 in 85% yield. In the step (2) reaction 90% yield of H_3PO_4 is obtained. mass of H_3PO_4 produced is :

H_(4)underline(P_(2))O_()+H_(2)O to H_(3)PO_(3)

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