Among the following solvents, silver chloride is most soluble in:
1. \(0.1 \mathrm{~mol} ~\mathrm{dm}^{-3}~ \mathrm{AgNO}_3 \text { solution }\)
2. \(0.1 \mathrm{~mol} ~\mathrm{dm}^{-3}~ \mathrm{HCl} \text { solution }\)
3. \(\mathrm{H}_2 \mathrm{O}\)
4. Aqueous ammonia
