Jawabanmu

2014-05-10T19:19:28+07:00
Diket : volume NO = 1 liter
massa NO = 1gram
Volume O₂ = 2 liter
Dit : massa O₂ = ....?
jawab :
mol NO = gram/Mr = 1 ÷ 14+16 = 1/30
 V NO / V O₂ = mol NO ÷ Mol O₂
1 liter÷2 liter = 1/30 ÷ Mol O₂
mol O₂ = 1/30 × 2/1 = 2/30 = 1/15

massa O₂ = Mol × Mr
= 1/15 × 16.2
= 1/15 × 32
= 2, 134
2 3 2