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)

Question

Chemistry

Yusuf Sutton

26 December, 11:39

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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Cassandra Garza · 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