How many moles of gas occupy 22.4 liters at 27 Celsius degrees and 0.50 atm of pressure?
1 Answer
Jul 15, 2014
Thanks for the gas law question.
In order to solve this problem, we can use the Ideal Gas Law.
PV = nRT
Pressure needs to be in atmospheres (.50 atm)
Volume needs to be in liters (22.4 L)
n is the number of moles (and your unknown in this particular question)
R is the universal gas constant (R = .08206
T is the temperature in K (oC + 273 = K, so 27oC + 273 = 300. K)
(.50 atm) ( 22.4 L) = n (.08206
Please do the math and check your answer below:
The number of moles (n) is .45 moles. This number is rounded to the correct number of significant figures.
Have fun with the gas calculations!!