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09-11-2021
Chemistry

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Calculate the mass of chlorine gas contained in a 5.00dm^3 flask at 25°C and 98KPa pressure

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09-11-2021

According to ideal gas law:
m/M×RT=PV
Find the mass:
m = (M×P×V)/(R×T)
V = 0.005 m3
T = 298 K
P = 98000 Pa
R = 8.314 J×mol-1×K-1
M = 71 g×mol-1
m = (71×98000×0.005)/(298×8.314) = 14.04 (g)

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