Question

What is the molality of acetone in a solution composed of 255 gm of acetone (CH3)2CO, dissolved in 200 gm of water?

Answer 1

Answer: 22 m

Explanation:Ok, molality is mol of solute/ mass of solvent.

So mol of acetone in 255 g is approximately 4.4 mol.

4.4 mol acetone / 0.2 Kg of water

= 22 m

Andrew Lo