The reaction equation for silver chloride with aqueous ammonia is given below. $\text{AgCl}(s) + 2\text{NH}_3(aq) \rightleftharpoons [\text{Ag(NH}_3)_2]^+(aq) + \text{Cl}^-(aq)$ State the units of $K_c$ for this reaction.
- Ano units
- B$\text{mol}^{-1}\ \text{dm}^3$
- C$\text{mol dm}^{-3}$
- D$\text{mol}^2\ \text{dm}^{-6}$