Question

help.... plz this question

Answer 1

i think the question is incomplete because total composition of elemnts doesnt sum 100

Answer 2

for carbon 40/12=3.33

for hydrogen 6.66/1 =6.66

remaining is 53.34 which is oxygen =53.34/16=3.33

in ratio it is 1/2/1 therefore empirical formula is ch20