Multiple Choice
Which one of the following is a buffer solution?
A) 0.50 M CH3NH3Cl
B) 0.10 M H2SO4 and 0.10 NaHSO4
C) 0.50 M Ca(OH) 2 and 0.10 KCl
D) 1.0 M NaOCN and 0.2 M HOCN
E) 0.10 M NH4NO2
Correct Answer:
Verified
Correct Answer:
Verified
Q140: The ion product constant for water, K<sub>w</sub>,
Q141: What is the pH of a 1.00
Q142: Selenous acid (H<sub>2</sub>SeO<sub>3</sub>)is a diprotic acid, for
Q143: You have 500.0 mL of a buffer
Q144: Which is the most appropriate acid-base indicator
Q146: The pK<sub>a</sub> of acetic acid, HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>, is
Q147: A student does a titration of NH<sub>3</sub>(aq)(pK<sub>b</sub>
Q148: The titration of a strong acid by
Q149: Given the following two solutions:<br>0.200 M NH<sub>3</sub>(aq)with
Q150: For H<sub>3</sub>PO<sub>4</sub>, a tripotic acid, K<sub>a1</sub> =