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The molality of a H(2)O(2) solution of d...

The molality of a `H_(2)O_(2)` solution of density 1.068` gm/ml is 2m. The only incorrect concentration of the same solution is :

A

molarity =2M

B

volume strength =22.7 vol at STP

C

6.8`%`(w/w)

D

6.8 `%` (w/w)

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The correct Answer is:
D
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