.Apharmacist hasmade a drug by the prescription: Rp.: Sol. Protargoli 0,31,0 D.S. For irrigation. Specify the optimal technology of preparation:

Answer options

1. Grind protargol in the mortar with glycerine, add water
2. Dissolve protargol in the water, add glycerine
3. Measure out protargol into the vial, dissolve it in the water, add glycerine
4. Dissolve glycerine in the water, add protargol
5. Measure out subsequently glycerine, water, and protargol into the vial