Question

In one mole of ethane `(C_(2)H_(6))`, calculate the following:
a. Number of moles of carbon atoms
b. Number of moles of hydrogen stoms
c. Number of molecules of ethane.

Answer 1

(i) Gram atoms of `C = 3 xx 2 = 6`
(ii) Gram atoms of Hydrogen `=3 xx 6 =18`
(iii) Number of molecules of `C_(2)H_(6) = 3N_(A)` .