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

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

kainui · Answer

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!