A 5.00-mole sample of NH3 gas is kept in a 1.92-L container at 300 K. If the van der Waals equation is assumed for the pressure of the gas, calculate the percent error made in using the ideal-gas equation to calculate the pressure.

the percentage error is

50.1%

Explanation:

given that

Mole of NH₃ = 500mole

Volume of container = 1.92l

temperature = 300k

lets calculate the pressure of ammonia gas using both ideal gas equation and vanderwal’s equation

PV = nRT

    P =  

=

P = 283 atm - 71.0 atm = 42.7 atm

The percentage error in ideal gas equation is

% error = %

= %

%error = 50.1%

false

because it does not have the potential to be entirely used up