Odpowiedzi

2009-09-13T23:02:33+02:00
H2SO4=2+32+16*4=34+64=98
CO=16+12=28
H3PO4=3+64+31=98
C4H10=12*4+10=48+10=58
N2=14*2=28
C2H4=4+12=16
KF=39+19=58

1=3
2=5
4=7
1 2 1
2009-09-13T23:11:31+02:00
H₂SO₄=2+32+16×4=34+64=98u
CO=16+12=28
H₃PO₄=3+64+31=98
C₄H₁₀=12×4+10=48+10=58
N₂=14*2=28
C₂H₄=4+12=16
KF=39+19=58

H₂SO₄=H₃PO₄
CO=N₂
C₄H₁₀=KF
1 5 1