Answer to Question #94249 in General Chemistry for satara

General Chemistry

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

M_He= 4 g/mole

m = PVM/RT = 1653 g = 1.653 kg

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