The following diagram depicts three weak acids. Check the appropriate box. 12. (

Question

The following diagram depicts three weak acids. Check the appropriate box. 12. (6 points) The following diagram depicts three weak acids. Check the appropriate box with your answers to these questions. Question Which acid has the largest K? Which solution has the strongest conjugate base? Which solution has the highest pH? A B C C 2.2 g diagrams represent solutions at various stages in the titration of with a strong base. The water and strong base cation are not pictured 13.(6 points) The followin a weak acid HA for clarity purposes. Identify the solutions that correspond to -The initial stage before the addition of any strong base. Halfway to the equivalence point. The equivalence point. Beyond the equivalence point 2 H,O Is the pH at the endpoint-7,

Explanation / Answer

12. Picture of three weak acids A, B and C

The acid with largest Ka = B

The acid with strongest conjugate base = A

The acid with highest pH = B

13. The titration solution for a weak acid HA with a strong base pictures above.

The initial stage before addition of base = (d)

Halfway to the equivalence point = (b)

The equivalence point = (a)

Beyond equivalence point = (c)

pH at the end point = > 7

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