15-04-2020
Chemistry

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A sample of hydrogen gas, H2, has a volume of 8.56L at a temperature of 0 deg. C and a pressure of 1.5atm. Calculate the number of moles of H2 present in this gas sample.

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15-04-2020

Answer:

n = 0.573mol

Explanation:

PV = nRT => n = PV/RT

P = 1.5atm

V = 8.56L

R = 0.08206Latm/molK

T = 0°C = 273K

n = (1.5atm)(8.56L)/(0.08206Latm/molK)(273K) = 0.573mol

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