Question: 3. Lactic acid, HC,HO,, is the acid, which forms when milk sours. As its formula indicates, this acid has an acid hydrogen ion. It requires

3. Lactic acid, HC,HO,, is the acid, which forms when milk sours. As its formula indicates, this acid has an acid hydrogen ion. It requires 22.4 mL of NaOH at 0.156 M to neutralize the acid in a sample of 25.0 mL of lactic acid. Calculate the mass of lactic acid contained in the sample. 3 marks

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