First slide

Concentration methods

Question

Molality of 110 grams of aqueous solution containing 10 grams of caustic soda is

Moderate

A

5 m
B

7.2 m
C

5.55 m
D

4.2 m

Solution

$W_{solute} = 10 g; GMW of solute = 40 g; W_{solution} = 110 g; W_{solvent} = (110 - 10) g; m = \frac{20}{40} \times \frac{1000}{100} = 5 m$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App