What is the molality of a solution containing 18 grams of solute in in 0.5 kg of solvent?

1 Answer
anor277
Apr 17, 2017

Unknown............

Explanation:

#"Molality"="Moles of solute"/"Kilograms of solvent"#.

We have the mass of the solute. We do not know what it is and thus we cannot calculate its molar quantity, and thereby its molal concentration remains inaccessible.

#"Molality"=((18*g)/("Molar mass of solute"))/(0.5*kg)=??*mol*kg^-1#.

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