Two clear solutions are placed in separate beakers. The

Last updated: 7/24/2022

Two clear solutions are placed in separate beakers. The first solution has a pH of 4, and the second solution is unknown. The two solutions are mixed together and the resulting pH is 5. Which of the following statements must be true about the second solution? A. It is more acidic. B. It is neutral. C. It contains more hydroxide ion than the first solution. D. It contains more hydrogen ion than the first solution.