Two solutions, A and B, described below, were mixed together. Answer the following question regarding the solutions and the resulting mixture:
Solution A: 50 mL of 1.00 M aqueous HCl Solution B: 100 mL of 1.00 M NaOH
After mixing, which of the following statements best describes the mixture:

Question

Quizplus · Accepted Answer

After mixing, the HCl and NaOH react in a 1:1 ratio. Solution A has 0.05 moles of HCl, and Solution B has 0.10 moles of NaOH. The excess NaOH (0.05 moles) makes the solution basic, but less basic than Solution B, so the pH of the mixture is less than Solution B.

Two Solutions, a and B, Described Below, Were Mixed Together