So I have about 50 questions just like that one, and not a single clue how to figure it out. Can someone walk me through this so I can get my studying done? :(How much solvent will you have to add to change the pH of this solution?
I take it the solvent is a basic solution. First you have to find the concentration of the initial acid, using the equation pH = - log [H+] . Then find the number of mol needed to partially neutralize the acid in order to bring the pH up to 4. Don't forget to take into account the volume change!
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