Q.
80 grams of solute ( molar mass = 160 g ) is dissolved in 100 ml solution of density 1.8 g/ml. Molality of the solution is
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a
2.77 m
b
9 m
c
5 m
d
3.42 m
answer is C.
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Detailed Solution
Molality(m) =nsolute×1000Wsolvent; Molality(m) =80160×1000180-80; Molality(m) =5 m ;
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