Answer: Citric acid, which can be obtained from lemon
Chapter 4, Problem 4.107(choose chapter or problem)
Citric acid, which can be obtained from lemon juice, has the molecular formula C6H8O7. A 0.250-g sample of citric acid dissolved in 25.0 mL of water requires 37.2 mL of 0.105 M NaOH for complete neutralization. How many acidic hydrogens per molecule does citric acid have?
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