How many moles of gas are contained in 890.0 mL at 21.0 °C and 750.0 mmHg pressure?

1 Answer
Jun 9, 2018

Answer:

There are #0.0364*mol#... with respect to the gas...

Explanation:

We solve the Ideal Gas equation using #R=0.0821*L*atm*K^-1*mol^-1#...and we know that #760*mm*Hg-=1*atm#...

#n=(PV)/(RT)=((750*mm*Hg)/(760*mm*Hg*atm^-1)xx0.8900*L)/(0.0821*(L*atm)/(K*mol)xx294.15*K)#

#-=0.0364*mol#.....