A sample of CO2 gas has a volume of 12.0 L at STP. Calculate the number of moles of CO2 in the sample.

Question

Chemistry

Dexter Moreno

Today, 15:21

A sample of CO2 gas has a volume of 12.0 L at STP. Calculate the number of moles of CO2 in the sample.

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Answers (1)

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Anabelle · Answer 1

The number of moles of CO2 is 0,54

Explanation:

We use the formula PV=nRT. The conditions of STP are 1 atm of pressure and 273 K of temperature.

PV=nRT n=PV/RT

n=1 atm x 12 L/0,082 l atm/K mol x 273K

n=0,536049316 moles