10-2 M An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. What is the pH of the diluted solution? A. 1.50 b. 1.73 c. 3.00 d. 3.30 e. 6.00 Which of the following chemical equations corresponds to the acid ionization constant, Ka, for formic acid (HCO2H)? A. HCO2H(aq) + H2O(l) <=> HCO2-(aq) + H3O+(aq) b. HCO2H(aq) + H3O+(aq) <=> HCO2H2+(aq) + H2O(l) c. HCO2-(aq) + H2O(l) <=> HCO2H(aq) + OH-(aq) d. HCO2-(aq) + H3O+(aq) <=> HCO2H (aq) + H2O(l) e. HCO2H(aq) + OH-(aq) <=> HCO2-(aq) + H2O(l) Boric acid has a pKa value of 9.14. What is the value of Kb for sodium benzoate? A. 7.2