Experiment 13 – Preparation of Soap
Swirl this solution to mix it well. (If the soap is a liquid, use 20 drops.) Label the flask. 12. Mix 1 g of the commercial detergent (if it is a liquid, use 20 drops) with 50 mL of warm deionized water, and swirl to mix well. pH Test 13. Label four separate test tubes. In the first tube, place 10 mL of the soap solution you made.