A hydrocarbon compound contains 92.3% carbon Determine its empirical formula [H = 1.00; C = 12.0]

chibelinda

9 years ago

To get d percentage of hydrogen, use the % of carbon and subtract by 100

I.e 100-92.3=7.7

Therefore the % of hydrogen is 7.7%

C=92.3/12, H=7.7/1

C=7.69, H=7.7

Dividing by the smallest, i. enjoy 7.69

The ratio is C=1 and H=1

Therefore, the emperical for formular for hydrocarbon is CH

awusiobi

9 years ago

please how can d empirical formula be found wen the percentage of hydrogen is not given.