There are 3 weak monoprotic acids HA1, HA2 and HA3. Consider 0.10 M HA1, 0.10 M HA2, and 0.10 M HA3 with 25.0 ml for each solution. After adding 0.10 M NaOH of 25.0 ml into each of the above acid solutions. the pH values of the resulting solutions are given below (1) The solution of HA1 becomes 8.35 after mixing with 0.10 M NAOH of 25.0 ml. (2) The solution of HA2 becomes 9.42 after mixing with 0.10 M NaOH of 25.0 ml. (3) The solution of HA3 becomes 7.65 after mixing with 0,10 M NaOH of 25.0 ml. Based on the above experimental results, which of the following statements is correct concerning these 3 weak acids? O a. HA3 has the highest pKa among the 3 acids. O b. HA2 has the highest pKa among the 3 acids. OC HA2 has the lowest pKa among the 3 acids. O d. HA1 has the lowest pka among the 3 acids. O e. HA1 has the highest pKa among the 3 acids.

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There are 3 weak monoprotic acids HA1, HA2 and HA3. Consider 0.10 M HA1, 0.10 M HA2, and 0.10 M HA3 with 25.0 ml for each solution. After adding 0.10 M NaOH of 25.0 ml into each of the above acid solutions.
the pH values of the resulting solutions are given below
(1) The solution of HA1 becomes 8.35 after mixing with 0.10 M NaOH of 25.0 ml.
(2) The solution of HA2 becomes 9.42 after mixing with 0.10 M NAOH of 25.0 ml.
(3) The solution of HA3 becomes 7.65 after mixing with 0.10 M NaOH of 25.0 ml.
Based on the above experimental results, which of the following statements is correct concerning these 3 weak acids?
O a. HA3 has the highest pka among the 3 acids.
O b. HA2 has the highest pka among the 3 acids.
OC. HA2 has the lowest pKa among the 3 acids.
O d. HA1 has the lowest pka among the 3 acids.
O e. HA1 has the highest pKa among the 3 acids.
Transcribed Image Text:There are 3 weak monoprotic acids HA1, HA2 and HA3. Consider 0.10 M HA1, 0.10 M HA2, and 0.10 M HA3 with 25.0 ml for each solution. After adding 0.10 M NaOH of 25.0 ml into each of the above acid solutions. the pH values of the resulting solutions are given below (1) The solution of HA1 becomes 8.35 after mixing with 0.10 M NaOH of 25.0 ml. (2) The solution of HA2 becomes 9.42 after mixing with 0.10 M NAOH of 25.0 ml. (3) The solution of HA3 becomes 7.65 after mixing with 0.10 M NaOH of 25.0 ml. Based on the above experimental results, which of the following statements is correct concerning these 3 weak acids? O a. HA3 has the highest pka among the 3 acids. O b. HA2 has the highest pka among the 3 acids. OC. HA2 has the lowest pKa among the 3 acids. O d. HA1 has the lowest pka among the 3 acids. O e. HA1 has the highest pKa among the 3 acids.
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