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An acid HA is 40% dissociated in an aque...

An acid `HA` is `40%` dissociated in an aqueous solution. The hydronium ion concentration of its `0.2M` solution would be

A

0.08 M

B

0.4 M

C

0.2 M

D

None of the above.

Text Solution

Verified by Experts

The correct Answer is:
A
`[H_(3)O^(+)]=C alpha =0.2 xx 0.4 =0.08 M`
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