[ally621]

For my IB Chemistry class I have to design my own lab, and I decided to react aspirin with different alkalis in order to see what makes it the most soluble in water. For example, I will be reacting it with NaOH.
What form do I need to have the acetylsalicylic acid (aspirin) in for this reaction? I am assuming I can't just use an acetylsalicylic acid tablet with NaOH. So is there a powder or a crystal or an aqueous form or something? Any insight would be extremely helpful!

[Hunter2]

You can grind the tablets, but its also available as powder. But careful if you consider to use high alcaline compounds. What type of compound is the Acetylsalicylic acid?