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emistry Course Home <Chapter 11 HW Exercise 11.61 A cylinder contains 28 0 L of oxygen gas at a pressure of 1.8 atm and a tem
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Answer #1

Given:

P = 1.8 atm

V = 28.0 L

T = 298.0 K

find number of moles using:

P * V = n*R*T

1.8 atm * 28 L = n * 0.08206 atm.L/mol.K * 298 K

n = 2.061 mol

Answer: 2.06 mol

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