Question

Question 6
What is the formula

Answer 1

calculate % of oxygen.
(9.67+38.71+oxygen)=100%
oxygen=51.62%.
then apply empirical formula calculation formula.
solve it by following above steps.

Answer 2

element composition atomic weight comp/wt relative


C 38.71 12 3.22 1


H 9.67 1 9.67 3


O 51.62 16 3.22 1

There CH3O is the empirical formula