Answer
$CH$
Work Step by Step
Number of moles of $CO_2$:
$1.481\ g\div 44.001\ g/mol=0.0337\ mol$
$0.0337\ mol$ of C
Number of moles of $H_2O$:
$0.303\ g\div 18.015\ g/mol=0.0168\ mol$
$0.0336\ mol$ of H
H/C Ratio: $1.00$
Empirical formula:
$CH$