- A 0.171 M weak acid solution has a pH of 4.34. Find Ka for theacid.
- Find the percent ionization of a 0.230 M HC2H3O2solution. (The value of Ka for HC2H3O2 is 1.8×10−5.) Â
- Find the pH of a 0.0221 M solution of hypochlorousacid. (The value of Ka for hypochlorous acid is2.9×10−8.)
- Find the pH of a 0.012 M solution of HNO2. (The valueof Ka for HNO2 is 4.6×10−4.)
- Find the [H3O+] concentration of a 0.307M  nitrous acid solution. (The value ofKa for nitrous acid is 4.6×10−4.)  Â
- For each strong base solution, determine [H3O+], [OH−], pH,and pOH.
2.2×10−4 M KOH and 5.3×10−4 M Ca(OH)2
- Find the [OH−] of a 0.25 M aniline (C6H5NH2)solution. (The value of Kb for aniline (C6H5NH2) is3.9×10−10.)
- Find the pH of a 0.25 M aniline (C6H5NH2)solution.
- Determine the [OH−] of a 0.22 M solution of NaHCO3 anddetermine the pH of this solution..
- Find the pH of a 0.268 M NaF solution. (TheKa of hydrofluoric acid, HF, is 3.5×10−4.) Â
