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A solution of 18%(mass/vol)glucose is is...

A solution of `18%(mass/vol)glucose` is isotonic with `x%(mass/vol)` KCl solution.If KCl is 90% dissociated,then value of x is (Mol .mass of KCl=74.5gmol^(-1))

A

`2.67`

B

4.35

C

3.92

D

`3.12`

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