Asked by Kyle

An aqueous solution contains 8.7% NaCl by mass.

1. Calculate the molality of the solution.
2. Calculate the mole fraction of the solution.

Answers

Answered by bobpursley
assume 100 grams of the solution.
you have 8.7 g of NaCl, figure the moles
You have 91.3 g of water, figure the moles

calculate the mole fraction.

molality=molesNaCl/kgsolvent

and you have .1 kg solvent.
Answered by Anonymous
1.49 m
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