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The density of 3M solution of NaCl is 1....

The density of `3M` solution of `NaCl` is `1.25 g mL^(-1)`. The molality of the solution is

A

2.79 m

B

1.79 m

C

3.5 m

D

5.58 m

Text Solution

Verified by Experts

The correct Answer is:
A
`m=(1000xxM)/((1000xxd)-(Mxx"G.M. wt of solute"))`
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