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A 5000-ML Solution of 0 ×\times 10-10)is Titrated with a 0 ×\times

Question 47

Multiple Choice

A 50.00-mL solution of 0.0350 M hydrocyanic acid (Ka = 6.2 ×\times 10-10) is titrated with a 0.0333 M solution of sodium hydroxide as the titrant.What is the pH of the acid solution after 15.00 mL of titrant have been added? (Kw = 1.00 ×\times 10-14)


A) 1.46
B) 5.33
C) 8.81
D) 10.60
E) 9.21

Correct Answer:

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