Chem 145CName ________________________
 
 
Acid Base Equilibria Prelab

1.Please be done all the problems in Lesson 22 and have asked lots of questions in class!!

2.What is the pH of a 0.0250M formic acid HCOOH solution?The pOH? What is the % ionization?
 
 



[H+] ___________
 

pH ___________
 

pOH ___________


3.Write balanced net-ionic equations for the hydrolysis of the salts sodium acetate and ammonium chloride.Predict whether the resulting solution will be acidic, basic or neutral.

 
 
 
 
 
 
 
 
 

4.If we measured a pOH of 4.74 for a solution of sodium acetate, what is the [H+]?

 
 
 
 
 
 
 
 
 
 

5.If we have 25.00 ml of a 0.024M HCl solution, what volume of a 0.035M NaOH is needed to completely react and neutralize it?