Osmolarity of 132g KNO3 in 0.500 L solution

[oceanbreeze]

Homework Statement

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?

Homework Equations

N/A

The Attempt at a Solution

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

 

[Saitama]

Homework Statement

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?

Homework Equations

N/A

The Attempt at a Solution

1.306 mol/1 L solution x 2 mol ions/1 mol KNO3 = 2.612

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

 

[oceanbreeze]

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

 

[Saitama]

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

What answer do you reach now?