Multiple Choice
The pH of a 0.15 M aqueous solution of NaZ (the sodium salt of HZ) is 10.7. What is the Ka for HZ?
A) 1.6 × 10-6
B) 6.0 × 10-9
C) 8.9 × 10-4
D) 1.3 × 10-12
E) 3.3 × 10-8
Correct Answer:
Verified
Correct Answer:
Verified
Q3: The acid-dissociation constant, K<sub>a</sub>, for gallic acid
Q4: In the gas phase reaction below, NH<sub>3</sub>
Q5: The pH of a 0.10 M solution
Q6: An aqueous solution of _ will produce
Q8: A 0.15 M aqueous solution of the
Q9: A 0.15 M aqueous solution of the
Q10: The conjugate acid of CH<sub>3</sub>NH<sub>2</sub> is _.<br>A)CH<sub>3</sub>NH<sub>2</sub><br>B)CH<sub>3</sub>NH<sub>3</sub><sup>+</sup><br>C)CH<sub>3</sub>NH<sub>2</sub><sup>+</sup><br>D)CH<sub>3</sub>NH<sup>+</sup><br>E)none
Q11: The acid-dissociation constants of sulfurous acid (H<sub>2</sub>SO<sub>3</sub>)are
Q87: Classify the following compounds as weak acids
Q138: Of the following acids,_ is not a