The molality of a (v/v) solution of in is . (Nearest integer) [, , ]

Question

The molality of a  (v/v) solution of  in  is . (Nearest integer) [, , ]

Canvas Classes · Accepted Answer

Strategy:
 in a  solution, you have  of  per  of solution. Calculate the mass of the solvent and solute to find the molality.

Step 1: Mass of components in 100 mL solution
- Solute (): .
- Solvent (): .

Step 2: Calculate molality
Moles .
Mass solvent .

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