`1 M` solution of `NaNO_3` has density `1.25 g cm^(-3)` Calculate its molality. (Mol. weight of `NaNO_3 = 85 g quad m

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Q 3122656531.     `1 M` solution of `NaNO_3` has density `1.25 g cm^(-3)`
Calculate its molality.
(Mol. weight of `NaNO_3 = 85 g quad m o l^(-1) `)

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