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A 750-ML Sample of 0 ×\times 10-10)is Titrated with 0 ×\times 10-6 M
B)1

Question 27

Multiple Choice

A 75.0-mL sample of 0.0500 M HCN (Ka = 6.2 ×\times 10-10) is titrated with 0.277 M NaOH.What is the [H+] in the solution after 3.0 mL of 0.277 M NaOH have been added?


A) 4.6 ×\times 10-6 M
B) 1.0 ×\times 10-7 M
C) 3.5 M
D) 2.2 ×\times 10-9 M
E) none of these

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