Assignment:
Q1. The Ka of HBrO is 2.5 x 10-9 . When eql volumes of 0.1 M HbrO and 0.1 M NaBrO are mixed the pH of the solution will be
A. Between 0 and 1
B. Between 4 and 5
C. Approximately = 7
D. Between 8 and 9
E. Between 9 and 10
Justify your answer with a calculation.
Q2. 0.10 M NaOH is added to 20.0 ml of acid of an unknown concentration from a buret. The initial buret reading is 3.6 ml and the final buret reading is 33.6 ml at the equivalence point. What is the concentration of the acid.
A. 0.03 M
B. 0.06 M
C. 0.10 M
D. 0.15 M
E. 0.30 M
Justify your answer with a calculation.