QUESTION 1 In a problem involving the mixing of a weak acid solution with a stro

Question

QUESTION 1

In a problem involving the mixing of a weak acid solution with a strong base solution (such as the titration of a weak acid with a strong base), before attempting to calculate the pH of the resulting solution, you must ___.

A.) Determine which (the weak acid or strong base) is present in excess

B.) Determine the pH of the weak acid solution.

C.) determine th pH of the strong base solution

D.) Determine the difference in volume of the acid and base solutions.

A.) Determine which (the weak acid or strong base) is present in excess

B.) Determine the pH of the weak acid solution.

C.) determine th pH of the strong base solution

D.) Determine the difference in volume of the acid and base solutions.

Explanation / Answer

To titrate a weak acid with a base, (B.) pH of the the weak acid must be determined from its intial concentration and dissociation constant value. Then from the volume and strength of base added, the pH of the resulting solution can be determined.

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