Glyoxal consists of 41.4% C, 3.5% H, and 55.1% O by mass. What is the empirical formula of glyoxal? | Stoichiometry

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Glyoxal consists of 41.4% C, 3.5% H, and 55.1% O by mass. What is the empirical formula of glyoxal?

CHO

✓ Correct

CH₂O

CH₂O₂

C₁₂HO₁₆

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