You are provided with 1 (M) solution of ...

You are provided with 1 (M) solution of `NaNO_(3)` whose density is 1.25g/mL, So, in the solution-

the percentage by mass of `NaNO_(3)=6.8`

the percentage by mass of `H_(2)O=93.2`

the molality of the solution is 10.72

the solution has 0.2 mol of `NaNO_(3)`.

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