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    Chemistry The Molecular Nature of Matter
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    Exam 17: Acid-Base Equilibria in Aqueous Solutions
  5. Question
    The K<sub>a</sub> of Hydrocyanic Acid (HCN)is 4
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The Ka of Hydrocyanic Acid (HCN)is 4

Question 88

Question 88

Multiple Choice

The Ka of hydrocyanic acid (HCN) is 4.9 × 10-10. What is the Kb of CN-?


A) 4.9 × 104
B) 4.9 × 10-10
C) 9.1 × 10-10
D) 9.3
E) 2.0 × 10-5

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