Multiple Choice
Calculate the pH of a solution made by a mixture of the following acids: 0.40 M HC2H3O2 (Ka = 1.8 × 10-5) , 0.10 M HOCl (Ka = 3.5 × 10-8) , and 0.20 M HCN (Ka = 6.2 × 10-10) .
A) 2.57
B) 3.92
C) 4.95
D) 4.23
E) 3.49
Correct Answer:
Verified
Correct Answer:
Verified
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