Answer
22.4 L He
22.4 L CH4
22.4 L O2
Work Step by Step
The volume of one mole of gas at STP is 22.4 L. Use this as a conversion factor.
The volume of one mole of gas at STP is 22.4 L. Use this as a conversion factor.
The volume of one mole of gas at STP is 22.4 L. Use this as a conversion factor.