A compound can be an acid or a base but not both a

25. A compound can be an acid or a base, but not both.
a. True
*b. False

CHEM 115 Spring 2017 Exam 2 Version A
26. What is the net ionic equation for the acid–base reaction of hydrobromic acid with
sodium hydroxide?
27. If 300mL of 0.40 M HNO
3
is added to 100mL of 0.65 M Ca(OH)
2
, the resulting solution
will be __________.
28. Which solution containing an equal number of moles of each of the substances is a
buffer?
29. Normal gastric juice has a pH of about 2. Assuming that normal gastric juice is primarily
aqueous HCl, what is the concentration of HCl in the stomach?
a. 1.0 × 10 2 M HCl
b. 2 M HCl
c. 0.14 M HCl
*d. 0.01 M HCl
e. 0.0002 M HCl
30. Which compound is a weak acid?

CHEM 115 Spring 2017 Exam 2 Version A
31. Although a Brønsted–Lowry acid must contain a hydrogen atom, it may be a neutral
molecule or contain a net positive or negative charge.
32. A solution containing a low concentration HCl is a weak acid. 33. What is the conjugate base of the hydronium ion, H
3
O + ?
a. OH –
*b. H
2
O
c. H
4
O +
d. H +
e. H
3
O + has no conjugate base
34. The functional group of which type of compound does not contain a carbonyl group?