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Author Question: Consider the titration of 100.0 mL of the weak diprotic acid H2A (0.10 M) with 0.20 M NaOH. What are ... (Read 15 times)

xclash

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on: Mar 21, 2021

Question 1

Consider the titration of 100.0 mL of 0.250 M aniline (Kb = 3.83 × 10–10) with 0.500 M HCl. Calculate the pH of the solution at the stoichiometric point.

◦ 5.10
◦ 9.42
◦ 2.68
◦ 11.32
◦ None of these are correct.

Question 2

Consider the titration of 100.0 mL of the weak diprotic acid H2A (0.10 M) with 0.20 M NaOH. What are the major species at each of the following points in the titration? (Water is always assumed to be a major species.)
Reference: Ref 15-3

​

​


◦ HA–
◦ H2A, HA–
◦ HA–, A2–
◦ H2A
◦ None of these are correct.
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Marked as best answer by xclash on Mar 21, 2021

meltdown117

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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xclash

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

Zebsrer

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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