Question 4 What is the theoretical maximum and minimum pH one could expect in a

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Question 4

What is the theoretical maximum and minimum pH one could expect in a titration of o HCI with 0.010 M NaOH ? .010 M 3) What should be the pH at the equivalence point of 0.010 M HCI with 0.010 M NaOH? Would the pH be higher, lower, or the same if 0.10 M solutions were used? 4) 5) Look up and record the K, for the following acids. Record them here AND in the appropriate part of the calculation section of the lab report. Formic Acid (Methanoic acid) Acetic Acid (Ethanoic acid) Propanoic Acid Ka - 6) If 0.10 M solutions of either of these three acids is titrated with 0.10 M NaOH, would the pH at the equivalence point be greater than, less than, or equal to 7? may provide some guidance.) (Hint the diagram in the lab

Explanation / Answer

4) HCl is a stron acid and NaOH is a strong base. The pH at equivalence point for Stron acid-Strong base titration will always be 7 and nuetral as equal amounts of H+ and OH- ions combine to form H2O .
So , pH will be same if 0.10 M solutions were used.

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