bobbi0215 bobbi0215

16-04-2020
Chemistry

contestada

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

Respuesta :

andrew3772 andrew3772

16-04-2020

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

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