Question

A balloon containing 0.500 mol Ar at 0.00°C and 65.0 kPa pressure is expanded by adding more argon. How many moles of argon are added to bring the sample to a final volume of 60.0 L at 30.0°C and 45.0 kPa?

What is the original volume of the gas?
______K

Answer 1

1. What is the original volume of the gas?

17.5 L

2. How many moles of argon exist in the new conditions?

1.07 mol

3. How many moles of argon were added?

0.570 mol