In which of these solutions will HNO₂ ionize less than it does in pure water? a. 0.10 M NaCl b. 0.10 M KNO₃ c. 0.10 M NaOH d. 0.10 M NaNO₂

A formic acid solution has a pH of 3.25. Which of these substances will raise the pH of the solution upon addition? Explain your answer. a. HCl b. NaBr c. NaCHO₂ d. KCl

Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution. a. a solution that is 0.20 M in HCHO₂ and 0.15 M in NaCHO₂

Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution. b. a solution that is 0.16 M in NH₃ and 0.22 M in NH₄Cl