9.Which of the following statements is true concerning the titration of a weak b
ID: 829901 • Letter: 9
Question
9.Which of the following statements is true concerning the titration of a weak base by a solution of hydrochloric acid?
A.At the equivalence point, the pH is 7.
B.At the equivalence point, there is excess hydrochloric acid.
C.At the equivalence point, the pH is determined by the hydrolysis of chloride ion.
D.The solution is basic at the equivalence point.
E.The solution is acidic at the equivalence point.
10.What molar ratio of acetic acid to sodium acetate is required to create a buffer solution having a pH of 4.83 at 25
Explanation / Answer
9) E.The solution is acidic at the equivalence point.
10) D. 1.2
8) less than 7
6) The percent ionization of HF will decrease.
5) Na2SO4
4) CsNO3
7) At the equivalence point, the solution is composed of the conjugate base of the weak acid.
3) 1.1
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