How to dissolve mercury chloride?

It is recommended to heat it up and try

Adding a small amount of hydrochloric acid will greatly promote its solubility.

Use acidic solutions to add some hydrochloric acid, otherwise it will be easy to hydrolyze and then heated.

Solubbing mercury chloride needs to be heated, otherwise the solubility is small.

Adding a small amount of hydrochloric acid will greatly promote the solubility of mercury chloride in water. When the mercury catalyst is produced, this method is dissolved. In addition, the laboratory adds some sodium chloride solution to promote its dissolution.