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The van' Hoff factor for 0.I M Ba(NO '3'...

The van' Hoff factor for 0.I M Ba(NO '_3', solu- tion is 2.74 . The degree of dissociation is -

A

91.3 %'

B

87 %'

C

100 %'

D

74 %'

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The correct Answer is:
B
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