A student collects 425 mL of oxygen at a temperature of 24°C and a pressure of 0.899 atm. How many moles of oxygen did the student collect?

1 Answer
May 14, 2018

Answer:

#n_(O_2)=0.0157*mol#

Explanation:

We solve for #n# in the old Ideal Gas equation...and perforce we use units of #"absolute temperature...."#

#n=(PV)/(RT)=(0.899*atmxx425*mLxx10^-3*L*mL^-1)/(0.0821*(L*atm)/(K*mol)xx297.15*K)#

#-=0.0157*mol#...and what mass of dioxygen does this represent?