You're working at the Head Hertz aspirin factory making a preparation of the sodium salt of acetylsalicylic acid starting with acetylsalicylic acid and sodium hydroxide.
the pka of the carboxyl group on the acetyl salicyclic acid is 3.0 . You have 500 liters of 0.1 M acetylsalicyclic acid. How much solid sodium hydroxide has to be added to convert all of the acetylsalicyclic acid into sodium acetylsalicylate but not give an excess of sodium hydroxide in your solution?
Sodium hydroxide has a MW of 40.00 grams/mole.
Enter the number of grams of NaOH you will need.