the percentage composition of acetaldehyde is 54.5% C,9.2% H,and 36.3% O,and its molecular mass is 44 amu. Obtain the molecular formula of acetaldehyde

the percentage composition of acetaldehyde is 54.5% C,9.2% H,and 36.3% O,and its molecular mass is 44 amu. Obtain the molecular formula of acetaldehyde

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