science question...?..plz help..?

Question

i conducted this experment for my science project. between. tap water, orange juice, and sprite soda which dissolve a pill (motrin 1b) fatest....tap water won...the problem is i dont know why does anybody know so i can do my conclusion?

Answer 1

It would seem that the acidity of the other two liquids was slowing down the dissolving. Was the pill acidic itself? That would then be the explanation.