Stoichiometry : FormulaFromComp (8 Variations)


Lactic acid is the substance that makes your muscles burn when you've been exercising hard. Lactic acid is composed of 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by weight. If it has a molar mass of 90 g/mol, what is its molecular formula?
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Stoichiometry : FormulaFromComp   
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