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Calculate the molality (m) of 3 M soluti...

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

A

1.5 m

B

1.8 m

C

`2.0 m`

D

2.79 m

Text Solution

Verified by Experts

The correct Answer is:
D
Apply `m = ((1000 xx M)/(1000 d - Mm_(0)))`
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