If 0.2 gram of an organic compound containing carbon, bydrogen and oxygen on combustion, yielded 0.147 gram carbon dioxide and 0.12 gram water. What will be the content of oxygen in the substance ?

If 0.2 gram of an organic compound containing carbon, bydrogen and oxy

1.	If 0.2 gram of an organic compound containing carbon, bydrogen and oxygen on combustion, yielded 0.147 gram carbon dioxide and 0.12 gram water. What will be the content of oxygen in the substance ?
Answer» `65.29%` `73.4%` `83.23%` `89.50%` SOLUTION :`% C=("wt. of "CO_(2))/("wt. of ORG. compound").(12)/(44).100` `= (0.147)/(0.2)xx(12)/(44)xx100=20%` `% H=("wt. of "H_(2)O)/("wt. of org. comp").(2)/(19).100` `=6.66%, % O={100-(20+6.66)}~~ 73.4%`