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Molarity of a given orthophosphoric acid...

Molarity of a given orthophosphoric acid solution is 3 M. Its normality is

A

9 N

B

`0.3` N

C

3 N

D

1 N

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The correct Answer is:
A
Molarity of orthophosphoric acid = 3 M Now, basicity of orthophosphoric acid `(H_(3)PO_(4)) = 3`
`therefore` Normality of orthophosphoric acid = `3 xx 3N = 9N`
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