Question

How many moles of a gas sample are in 2.5 L container at 373 K and 203 kPa?


1.11 moles

0.66 moles

0.33 moles

0.17 moles

Answer 1

Remember the formula PV=nRT? Pressure times volume is equal to number of moles times the gas constant times temperature. With a little algebra and looking up the gas constant in terms of the same units, you should be able to find your number of moles quite easily!