Question

Calculati compozitia procentuala al alchenelor .

Answer 1

Alchenele au formula CnH2n

14n g alchena ...... 12n g C ........ 2n g H
100 g ..................... c1.....................c2

c1=$\frac{12n *100}{14n}$ = 85,714 % Carbon

c2= $\frac{2n *100}{14n}$ = 14,285 % Hidrogen