The citric acid in a lemon juice sample was neutralized by t…

The citric acid in a lemon juice sample was neutralized by titration with NaOH solution. If 5.00 mL of lemon juice required 47.8 mL of 0.121 M NaOH for neutralization, what was the molarity of the citric acid in the lemon juice? The reaction is 3 NaOH + H3C6H5O7 → 3 H2O + Na3C6H5O7.