1. Calculate the molarity of a barium hydroxide solution if you used 41.65 mL of it to neutralize 1.190 g of potassium hydrogen phthalate. Ba(OH) 2 (aq) 2 KHC 8 H 4 O 4 (aq) BaC 8 H 4 O 4 (aq) K 2 C 8 H 4 O 4 (aq) 2 H 2 O(l) 2. Write a balanced chemical equation for the reaction of hydrochloric acid with sodium hydroxide. 3. Calculate the molarity of a hydrochloric acid solution if 34.21 mL of 0.0431M sodium hydroxide neutralizes 25.00 mL of the acid solution. 4. Write a balanced chemical equation for the reaction of phosphoric acid with sodium hydroxide. 5. Calculate the molarity of a phosphoric acid solution if 34.21 mL of 0.0431M sodium hydroxide neutralizes 25.00 mL of the acid solution.