Find the number of moles, of hydrogen, in a sample of gas at STP (0.0 °C & 101.325 kPa) in an 11.2 L container.

Question

Chemistry

Braedon Dickson

15 August, 21:10

Find the number of moles, of hydrogen, in a sample of gas at STP (0.0 °C & 101.325 kPa) in an 11.2 L container.

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Answers (1)

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Taryn Hobbs · Answer 1

0.5 mol.

Explanation:

Given,

Pressure, P = 101.325 kPa = 1 atm

Temperature, T = 0 + 273 = 273 K

Volume = 11.2 L

Now, using ideal gas equation

PV = n RT

1 x 11.2 = n x 0.08206 x 273

n = 0.5 mol.

Hence, number of moles of the hydrogen sample of gas at STP is 0.5 mol.