Question

55.46 mL of HNO₃ are required to react with 35.67 mL of a 0.688 M Barium hydroxide solution, according to the unbalanced chemical equation below:HNO₃(aq) + Ba(OH)₂(aq) + H₂O(s) + Ba(NO₃)₂(aq)Balance the equation, and find the Molarity of the nitric acid solution.

Answer 1

To balance the chemical equation, realize that two HNO₃ molecules are required for two H₂O molecules to be formed.

Step-by-step explanation:

First, we will write the chemical equation with the formulas of the reactants and the expected products; then we will balance the equation.

a. The expected products are water and barium nitrate, so the initial chemical reaction is:

HNO₃(aq) + Ba(OH)₂ (aq) → H₂O(l) + Ba(NO₃)₂ (aq)

To balance the equation, we need to realize that there will be two H₂O molecules, so two HNO₃ molecules are required:

2 HNO₃(aq) + Ba(OH)₂ (aq) → 2 H₂O(l) + Ba(NO₃)₂(aq)