9
QuizMultiple Choice

Oxidation-Reduction — Cumulative exam

Question 9 • EDG CHEM ES W/LABS2(P) – Q2_9

Which value is most likely to be the pH of a salt solution that is formed by the reaction of a weak acid and a strong base?

Answer
A
2.0
B
6.8
C
7.0
D
8.7

Explanation

A salt formed from a weak acid and a strong base produces a basic solution. The salt’s anion reacts with water to make some hydroxide ions, so the pH is greater than 7. Of the choices, 8.7 is the most likely value; 7.0 is neutral, while 2.0 and 6.8 are acidic.

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