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If Ka for HCN Is 6

Question 126

Multiple Choice

If Ka for HCN is 6.2 × 10-10, what is Kb for CN-? If K<sub>a</sub> for HCN is 6.2 × 10<sup>-10</sup>, what is K<sub>b</sub> for CN<sup>-</sup>? A) 6.2 × 10<sup>-24</sup> B) 6.2 × 10<sup>4</sup> C) 1.6 × 10<sup>-5</sup> D) 1.6 × 10<sup>23</sup> E) none of these


A) 6.2 × 10-24
B) 6.2 × 104
C) 1.6 × 10-5
D) 1.6 × 1023
E) none of these

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