A sample of hydrogen gas, has a volume of 8.56 L at a temperature 0oC and pressure of 1.5 atm. Calculate the number of moles of hydrogen present in this gas sample (Assume that the gas behave ideally)

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Dania Schwartz

Chemistry

17 October, 20:15

A sample of hydrogen gas, has a volume of 8.56 L at a temperature 0oC and pressure of 1.5 atm. Calculate the number of moles of hydrogen present in this gas sample (Assume that the gas behave ideally)

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Sheldon Schwartz · Answer 1

P = 1.5atm ≈ 1519.88hPa

V = 8.56L

R = 83.1 [hPa*L] / [mol*K]

T = 0°C = 273K

pV = nRT |:RT

n = pV / RT

n = [1519.88hPa*8.56L] / [83.1 [hPa*L] / [mol*K] * 273K]

n ≈ 0.57mol