Question

Tentukan massa 55 liter gas C2H2 apabila diukur pada tekanan 2 atm dan suhu 30 derajat celcius?

Answer 1

V=55 liter
p=2 atm
T= 30o C -> 303 K
pV=nRT
2 x 55 = n x 8,314 x 303
n= 0.04 mol
Mr C2H2= 16x2 + 1x2
=34
gram=n x Mr
gram= 0.04 x 34
=1,36 gr