Solved: Consider a solution prepared by mixing a weak acid

Chapter , Problem 8

(choose chapter or problem)

Consider a solution prepared by mixing a weak acid HA, HCl, and NaA. Which of the following statements best describes what happens? H2O, A_, Cl_. a. The H_ from the HCl reacts completely with the from the NaA. Then the HA dissociates somewhat. b. The H_ from the HCl reacts somewhat with the from the NaA to make HA, while the HA is dissociating. Eventually you have equal amounts of everything. c. The H_ from the HCl reacts somewhat with the from the NaA to make HA while the HA is dissociating. Eventually all the reactions have equal rates. d. The H_ from the HCl reacts completely with the from the NaA. Then the HA dissociates somewhat until too much H_ and are formed, so the H_ and react to form HA, and so on. Eventually equilibrium is reached. Justify your choice, and for choices you did not pick, explain what is wrong with them.