CH-2078
Empirical and molecular formulae
Chemistry · Secondary 4 · Hard · Empirical and molecular formulae
A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen by mass. What is its empirical formula?
- CH₂O
- C₂H₄O
- C₂H₂O
- C₃H₆O₃
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