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Calculate the PH of a 0

Question 101

Question 101

Multiple Choice

Calculate the pH of a 0.0787 M aqueous sodium cyanide solution at 25.0 °C. K_b for CN^- is 4.9 × 10^-10.

A) 9.33
B) 10.00
C) 5.21
D) 1.10
E) 8.79

Correct Answer:

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