M C=12 g/mol
M H=1 g/mol
M O=16 g/mol
92 g/mol---100%
x g/mol---26,09%
x=24 g/mol
24 g/mol:12 g/mol=2 atomy C
92 g/mol---100%
x g/mol---4,35%
x=4 g/mol
4 g/mol:1 g/mol=4 atomy H
mO=92 g/mol-(24 g/mol+4 g/mol)
mO=64 g/mol
64 g/mol:16 g/mol=4 atomy O
Wzór: C2H4O4