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ANSWER TWO OF THE FOLLOWING QUESTIONS : A 24.1 mL sample of a 0.353 M aqueous acetic...

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Chemistry

ANSWER TWO OF THE FOLLOWING QUESTIONS :

A 24.1 mL sample of a 0.353 M aqueousacetic acid solution is titrated with a 0.426 Maqueous potassium hydroxide solution. What is the pH atthe start of the titration, before any potassium hydroxide has beenadded?

pH =

A 46.1 mL sample of a 0.455 Maqueous nitrous acid solution is titrated with a0.292 M aqueous barium hydroxidesolution. What is the pH after 22.0mL of base havebeen added?

pH =

What is the pH at the equivalence point in the titration of a22.8 mL sample of a 0.439 Maqueous hypochlorous acid solution with a0.497 M aqueous sodium hydroxidesolution?

pH =

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