fespinoza019
06.07.2019 •
Chemistry
Agas mixture contains 0.150 mol of oxygen (o2) gas, 0.419 mol of nitrogen (n2) gas. and 0.211 mol of argon (ar) gas in a 0.250 l flask at 298 k. what is the total pressure of the mixture?
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Ответ:
Hey There!:
Total number of moles of gases:
0.150 + 0.419 + 0.211 => 0.780 moles
Volume = 0.250 L
Temperature = 298 K
Using the ideal gas law:
p*V = n*R*T , putting all the values we get :
p * 0.250 = 0.780 * 0.0821* 298
p* 0.250 = 19.083
p = 19.083 / 0.250
p = 76.3 atm
Hope That helps!
Ответ: