Use the ideal gas law (R= 8.31 KPa L/mol K) to determine how many moles of a gas...

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bos

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...occupy a 550-mL canister at ? 11 degrees celcius and 66.7 kPa pressure.

A. 0.00155 mol
B. 0.0155 mol
C. 0.401 mol
D. 15.5 mol

please help.
 
use the ideal gas formula. PV=nRT.
P = 66.7
V = .550 L
n = unknown
R = 8.31
T = 284 (273 + 11)

Plug the numbers in and get n = .0155 moles
 
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