A soft drink contains an unknown amount of citric acid, C3H5O(COOH)3. 10.0ml of the soft drink requires 6.42 ml of 9.580 x 10^-2 M NaOH to reach the equivalance point in the following reaction. C3H50(COOH)3(aq) +3NaOH(aq)yields Na3C3H5O(COO)3(aq)+3H2O(l) What is the concentration of citric acid in the drink