I.
1. organogene
2. carbon
3 sigma
4 saturati
II.
Vezi foto
d si e
III.
a.
M.C3H8 = 3×12+8×1 = 44 g/mol
44g .......... 36 g C ...........8g H
100% .......... a% .............. b%
a=81,81% C, b = 100-81,81 = 18,19% H
b.
M.C2H6O = 2×12+6×1+16 = 46 g/mol
46g ........ 24g C ....... 6g H ......... 16g O
100% ........ a% .......... b% ............. c%
= 52,17% = 13,04% = 34,78%