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The values of observed and calculated mo...

The values of observed and calculated molecular mass of `Ca(NO_3)_2` are 65.4 and 164 g `mol^-1` respectively. The degree of dissociation of `Ca(NO_3)_2` will be

A

`75%`

B

`50%`

C

`98%`

D

`80%`

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The correct Answer is:
C
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