What is the pOH of a 0.350 M solution of Nitric Acid?
0.460
6.70
12.0
13.5
Which of the following has the most impact on the acidity of a halogen acid, HX?
The electronegativity of X
The strength of the H-X bond
The electron affinity of X
The ionization potential of H
What is the [H+] in a 0.1 M solution of Nitric Acid into which 0.2 moles per liter of HCl is dissolved?
0.1 M
0.15 M
0.2 M
0.3 M
What is the pH of a 0.520 M solution of NaOH?
0.280
14.0
0.140
13.7
What happens to the pH of a solution of NaOH when BaSO4 is added?
The pH increase.
The pH decreases.
The pH first increases then decreases.
The pH first decreases then increases.
What is the pH of a 1.0 M solution of NaCl in water?
5.5
7
8.5
0
What condition must be satisfied to make a good buffer?
You must mix a strong acid with its conjugate base.
You must mix a weak acid with its conjugate base.
The ratio of base to acid must be around 10.
The ratio of base to acid must be around 1.
