Osmolarity Question

1. Aug 8, 2013

oceanbreeze

1. The problem statement, all variables and given/known data

I tried to solve this question, but I'm not sure if my answer is correct.

What is the osmolarity of a 0.500 liter solution containing 132g of KNO3?

2. Relevant equations

N/A

3. The attempt at a solution

1.306 mol/0.500 L solution x 2 mol ions/1 mol KNO3 = 5.224

Last edited: Aug 8, 2013
2. Aug 8, 2013

Saitama

What is the volume of solution? You seem to have assumed it to be 1L.

3. Aug 8, 2013

oceanbreeze

It's 0.500L. I've reworked the equation, but I'm not sure how to proceed.

4. Aug 8, 2013

Saitama

What answer do you reach now?