Question

Calculate the number of molecules in 22.4 L CH4 gas at STP.

Answer 1

Answer:

Explanation:

At STP of 273.15 K (0°C) and 1 atm, the molar volume of a gas is 22.4 L/mol.

So at STP, if you have 22.4 L of CH4, you have one mole of CH4.

1 mole of molecules = 6.02×10^23 molecules

22.4L CH4 × 1mol CH4/22.4L CH4 × 6.02×10^23 CH4 molecules/mol CH4 = 6.02×10^23 CH4 molecules

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Answer 2

Answer:

Explanation: any gas would contain avagadro number of molecules at STP

Therefore number of molecules=6.023*10∧23