Chemistry Question 08

Question

Using the Ideal Gas Law and the given measurements, solve for the unknown variable.

 

A 2.023 mol sample of CO is in a 75.668 L container. What is the pressure of this gas in atmospheres at 304.18 K?

Answer 1

The general Ideal Gas Law formula is

PV = nRT

For this scenario you want to solve for the Pressure (P) and then plug in the values that you know from the information given in the question

P = nRT / V

P = (2.023 mol x 0.08206 atm L / mol K)*304.18 K / 75.668 L

P = 0.6673 atm

meaning that the pressure in this scenario is 0.6673 atm

Answer 2

P V = n R T

75.668 (P) = (2.023) (0.08206) (304.18)

75.668 (P) = 50.50

P = 50.50 / 75.668

P = 0.6674 atm