About this time, you may be wishing you had an aspirin. Aspirin is an organic acid with a K_a of 3.27 × 10⁻⁴ for the reaction

If you have two tablets, each containing 0.325 g of aspirin (mixed with a neutral “binder” to hold the tablet together), and you dissolve them in a glass of water to give 225 mL of solution, what is the pH of the solution?

Transcribed Image Text:

HC9H7O4(aq) + H₂O(l) → C9H7O4 (aq) + H3O+ (aq)