Mass of C = 62.1 g
Moles of C = 1262.1=5.175 mol
Mass of H = 10.3 g
Moles of H = 10.3 mol
Mass of O = 27.6 g
Moles of O = 1627.6=1.725 mol
C = 10.35.175=0.50
H = 10.310.3=1
O = 10.31.725=0.167
Multiplying by suitable integer 6,
C=0.50×6=3H=1×6=6O=0.167×6=1.002≈1
Empirical formula = C3H6O
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