Question

Calculate the molecular formula for a compound with a composition of 26.7% C, 2.22% H, and 71.1% O and a molecular weight of 90 g/mol. Please show all work.

1 mol C= 12.0 g C
1 mol H=1.0 g H
1 mol O=16.0 g O

Answer 1

I hope this is right :)

empirical formula ---› molecular formula