How many moles of a gas sample are in a 10.0 l container at 373 k and 203 kpa? the gas constant is 8.31 l -kpa/ mol-k.
a. 0.33
b. 0.65
c. 1.11
d. 3.05

0.654 moles of gas

Explanation:

GIVEN DATA:

Here Volume =10.0 litre=10 dm3

Pressure=203kPa

Temperature:373k

R= gas constant=8.31 L -kPa/ mol-K.

REQUIRED DATA:

n=moles of gas sample

CALCULATION:

FROM GENERAL GAS EQUATION

PV=nRT

n=PV/RT

PUTTING THE VALUE WE GET

n=(203*10)/(8.31*373)

n=0.654 moles

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