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How many moles of nitrogen gas are in 2.00 L of N2 gas at STP

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The number of mole of nitrogen gas in the 16.8 L container is 0.75 mole

Data obtained from the question

Volume (V) = 16.8 L

Pressure (P) = STP = 1 atm

Temperature (T) = STP = 273 K

Gas constant (R) = 0.0821 atm.L/Kmol

Number of mole (n) =?

How to determine the number of mole

The number of mole of the nitrogen gas can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

Divide both side by RT

n = PV / RT

n = (1 × 16.8) / (0.0821 × 273)

n = 0.75 mole

Thus, the number of mole of the gas present is 0.75 mole

User Bar Akiva
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