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The normally of `0.3 M` phosphorus acid `(H_(3) PO_(3))` is
A. `0.1`
B. `0.9`
C. `0.3`
D. `0.6`

1 Answer

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Correct Answer - D
Phosphorous acid `(H_(3)PO_(3))` is a dibasic acid, `HPO(OH)_(2)`. Hence, `0.3 M H_(3)PO_(3)` will be `2 xx 0.3 N` acid

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