Write a balanced net ionic equation for each of the following acid-base
reactions in water.
(a) formic acid, $\mathrm{HCHO}_{2}$ with barium hydroxide
(b) triethylamine, $\left(\mathrm{C}_{2} \mathrm{H}_{5}\right)_{3} \mathrm{~N},$ with nitric acid
(c) hydroiodic acid with potassium hydroxide