Answer
(a): $HNO_{3} (l) + (H_{2}O) → H^{+} (aq) + NO_{3}^{-} (aq)$
(b): $K_{2}CO_{s} (l) (H_{2}O) → 2K^{+} (aq) + CO_{3}^{-} (aq)$
Work Step by Step
(a) Nitric acid dissociates in water to form Hydrogen and nitrate ions
(b) Potassium carbonate dissociates in water to form potassium and carbonate ions.
