Each time the boy breathes, he exhales 0.02231 moles of gas at STP. How many liters of gas does he exhale?

The number of liters) the boy exhales is 0.499744 liters

Explanation:

The given parameters of how the boy breathes;

The number of moles of gas the boy exhales, n = 0.02231 moles

The condition in which the boy exhales the gas = STP = Standard Temperature and Pressure

The molar volume of a gas at STP, = 22.4 L per mole

Therefore, the volume of gas the boy exhales, 'V', is give as follows;

V = n ×

By substituting the known values, we have;

V = 0.02231 moles × 22.4 L/mole = 0.499744 L

The volume of gas (the number of liters) the boy exhales, V = 0.499744 L.

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