The formula of acetamide is C2H5NO
It contains 2 atoms of carbon
The atomic mass of carbon is 12; therefore 2 atoms of carbon contains 24 g
The mass of 1 mole of acetamide is 59.07 g/mol
Therefore; the percentage of carbon in asetamide will be'
=24/59.07 ×100
= 40.63 %