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Verified answer
Untuk metana CH4mol = gram / Mr = 15/ 15= 1 mol
untuk Oksigen (O2)
mol -= gram / Mr = 48/16 = 3 mol
a,b jawaban digabung
reaksi pembakarannya
...........CH4 + 2O2 --> CO2 + 2H2O
Mula2...1........3
reaksi...1........2...........1..........2
sisa.......--.......1...........1..........2
massa pereaksi yang bersisa (O2)
massa = mol x Mr = 1 x 16 = 16 gram
massa CO2 yang sisa
massa = mol x Mr = 1 x 44 = 44 gram
Volume CO2
Volume = mol x 22,4 L = 1 x 22,4 = 22,4 L