CBSE Class 11-science Answered
What volume is needed to store 0.050 moles of helium gas at 202.6 kPa and 127ºC?
Asked by Topperlearning User | 20 Apr, 2015, 11:17: AM
We know that, PV = nRT
P = 202.6 kPa
n = 0.050 mol
T = 127 + 273 = 400K
V = ? L
R = 8.314 J K-1 mol-1
202.6 x V = 0.050 x 8.314 x 400
202.6 V = 166.28
V = 0.821 L or 821 mL
Answered by | 20 Apr, 2015, 13:17: PM
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