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Calculate molality (m) of each ion prese...

Calculate molality (m) of each ion present in the aqueous solution of `2M NH_(4)Cl` assuming 100% dissociation according to reaction
`NH_(4) Cl (aq) rarr NH_(4)^(+) (aq) + Cl^(-) (aq)`
Given: Density of solution = 3.107 gm/ml

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