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Answer to Question #94249 in General Chemistry for satara
Question #94249
The pressure on a 100.00-L cylinder of He is 1470 psi at 22.0 C. How many kilograms of He are in the cylinder?
Expert's answer
PV=mRT/M
P = 1470 psi= 10135297 Pa
T = 22 C = 295 K
V = 100 L = 0.1 m ^3
MHe= 4 g/mole
m = PVM/RT = 1653 g = 1.653 kg
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