Exercise Calculating Molarity from Titration Data:  

When 34.2 mL of a 1.02 M NaOH solution is added from a buret to 25.00 mL of a phosphoric acid solution that contains phenolphthalein, the solution changes from colorless to red. 

a. What is the titrant in this procedure? What is the indicator? What is being titrated?

b. What is the molarity of the phosphoric acid?

Click here to see a Sample Study Sheet that summarizes this procedure.

Click here to see an example. 

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