Download Ch. 15 Quiz (1)b

Name_________________________________________________________________
AP Chemistry
Chapter 15 Quiz (1)
1.
(a)
(b)
(c)
Calculate the pH of a mixture containing 0.30 M HNO2 and
0.10 M NaNO2. Ka = 4.0 x 10-4
Calculate the pH after 0.040 M HCl is added to the above mixture.
Calculate the pH after 0.030 M NaOH is added to the mixture in part (a).
Name_________________________________________________________________
AP Chemistry
Chapter 15 Quiz (2)
1.
(a)
Calculate the pH of a solution which is 0.10 M HNO2 and 0.10 M NaNO2.
Ka(HNO2) = 4.0 x 10-4
(b)
Calculate the pH of the solution after 0.020 M HCl is added.