Asked by Brandi
Some oxygen gas has a volume of 41.0 L under a pressure of 245 kPa and a temperature of 279 K. What is the mass of the gas?
Answers
Answered by
DrBob222
PV = nRT
I would change 245 kPa to atmospheres. Then plug in V, R, and T (already in Kelvin), and solve for n = number of moles. Then number moles = grams/molar mass. You know moles and molar mass. Calculate grams.
I would change 245 kPa to atmospheres. Then plug in V, R, and T (already in Kelvin), and solve for n = number of moles. Then number moles = grams/molar mass. You know moles and molar mass. Calculate grams.