Răspuns :
CnH2n+2
%C = mC/m alcan * 100
84,21 = 12n/(14n+2) * 100
1200n = 1179n + 168,42
n = 8
C8H18
%C = mC/m alcan * 100
84,21 = 12n/(14n+2) * 100
1200n = 1179n + 168,42
n = 8
C8H18
CxH(2x+2)
12x·100/(14x+2) = 84,21
14,25x = 14x + 2 0,25x = 2 x = 8 C8H18
12x·100/(14x+2) = 84,21
14,25x = 14x + 2 0,25x = 2 x = 8 C8H18