10 liter gas butana (C4H10) diukur pada 25°C dan tekanan 100 atm. ?

PV = nRT
100 x 10 = n x 0,082 x (25 + 273)
1000 = n x 0,082 x 298
1000 = n x 24,4
n = 1000/24,4
= 40,98 mol
n = massa/Mr
massa = n x Mr
= 40,98 x 58
= 2376,8 gram