Multiple Choice
For a 0.10 M solution of a weak acid, HA,With pKa = 10,Which of the following is true?
A) [HA] 0
B) [HA] = [A-]
C) [HA] = [H3O+]
D) [HA] = Ka
E) [HA] [H3O+]
Correct Answer:

Verified
Correct Answer:
Verified
Q19: If <span class="ql-formula" data-value="\alpha"><span class="katex"><span
Q20: For the cell diagram<br>Cd(s)|CdSO<sub>4</sub>(aq)|Hg<sub>2</sub>SO<sub>4</sub>|Hg(l)<br>What reaction occurs
Q21: For NH<sub>3</sub>, pK<sub>b</sub> = 4.74.What is the
Q22: In a working electrochemical cell (+ cell
Q23: The following compounds are available as
Q25: Which of the following is the strongest
Q26: For the titration of 50.0 mL of
Q27: Given: N<sub>2</sub>H<sub>5</sub><sup>+</sup>(aq) <span class="ql-formula" data-value="\rarr"><span
Q28: The following compounds are available as
Q29: What is the proper cell diagram