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12 Dec 2019

What is the pH of the following solutions:

a. 0.01 M KOH (strong base)

b. 0.001 M HCl (strong acid)

c. 0.1 M CH3COOH (weak acid), pKa = 4.75

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Nelly Stracke
Nelly StrackeLv2
13 Dec 2019

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Related questions

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.

2.) Consider a weak acid , HA, for which the pKa is 5.826. The pH of a 0.28 M solution of this weak is is ___ at 25 oC. (Answer to three decimal places.)

3.) What is the pH of the solution resulting from mixing 33.07 mL of 0.183 M HA (pKa = 4.876) with 14.82 mL of 0.100 M KOH? (answer to three decimal places)

pH = ___

4.)

What is the pH of a solution created by mixing 32.19 mL of 0.200 M HA (Ka = 1.81 x 10-5 M) with 32.19 mL of 0.200 M KOH? (Answer to three decimal places)

pH = ___

5.)

What is the pH of a solution created by mixing 18.52 mL of 0.129 M HA (pKa = 4.877) with 73.61 mL of 0.100 M KOH? (Answer to three decimal places)

pH = ___

Question 1. ( 4 points ) Calculate the pH of the following strong acid and strong base solutions.

a 5.2 x 10-4 M HNO3

b. 7.16 x 10-9 M HCl

c. 3.02 x 10-8 M KOH

d. 0.04 M Ba(OH)2


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