30 mL of 0.1 M and 10 mL of 0.2 M are mixed

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Problem

30 mL of 0.1 M

\text{KI}_{aq}

and 10 mL of 0.2 M

\text{AgNO}_3

are mixed. The solution is then filtered out. Assuming no change in total volume, the resulting solution will freeze at : (Given,

K_f

for

\text{H}_2\text{O} = 1.86 \text{ K kg mol}^{-1}

assume molarity = molality) (1) 0.28 (2) 0.22 (3) 0.0744 (4) 0.149