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Citric acid is an organic acid found in citrus fruits that is also a key intermediate...

Citric acid is an organic acid found in citrus fruits that is also a key intermediate in the aerobic respiration cycle in living cells. It is composed of 37.51% C, 4.20% H, 58.29% O by mass. A titration required 24.05mL of 0.2943 M NaOH to neutralize 0.4533 g of citric acid. Given that there are three acidic hydrogens in each molecule, what is the molecular formula of citric acid?

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