Confusing Chemistry question (Moles)

[From: ] [author: ] [Date: 12-04-30] [Hit: ]

How many moles of a gas fill a flas with a volume of 141 mL at 101*C and a pressure of 761 torr?

PV = nRT

(761 / 760) (0.141 L) = (n) (0.08206) (374 K)

n = 0.00460 mol

The (761 / 760) factor changed torr to atm.

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