2.) Determine the concentration of citric acid if a 20.00 mL sample is titrated with 29.06 mL of
0.385 M sodium hydroxide. (10 points)
C,H,O(COOH)2 (aq) + 3 OH' (aq) - C,H,O(COO), (aq) + 3 H20 (1) (net-ionic reaction)