# If the pressure of 50.0 mL of oxygen gas at 100°C increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume the temperature remains constant.

##### 1 Answer

#### Explanation:

Recall the gas law

Our question

If the pressure of 50.0 mL of oxygen gas at 100°C increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume the temperature remains constant.

This means

mmHg must be converted in

=1 atm = 760mmHg

0.9671053242406501atm = n * 0.0821L * 373K/0.05L

Solve the equation

Multiply both sides with 0.05L

n = 0.00158moles

So lets now calculate volume when we know n.

n is constant in both the equation.