The Ideal Gas Law Video Lessons

Concept: Boyle's Law

# Problem: What is the pressure in a 21.0-L cylinder filled with 40.1 g of oxygen gas at a temperature of 331 K ?

###### FREE Expert Solution

We have to calculate the pressure of oxygen gas in the cylinder under the given conditions.

We will solve this problem through these steps:

Step 1: Calculate the number of moles of oxygen gas.

Step 2: Calculate the pressure of oxygen gas in cylinder using the ideal gas equation.

Step 1: Calculate the number of moles of oxygen gas.

Number of moles of substance can be calculated by this formula:

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###### Problem Details

What is the pressure in a 21.0-L cylinder filled with 40.1 g of oxygen gas at a temperature of 331 K ?