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Given the Following Two Reactions and Their Corresponding Equilibrium Constants \circ

question 19

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Given the following two reactions and their corresponding equilibrium constants at 25 \circ C,find Kc for
CN-(aq)+ H2O(  Given the following two reactions and their corresponding equilibrium constants at 25<sup> \circ </sup>C,find K<sub>c</sub> for CN<sup>-</sup>(aq)+ H<sub>2</sub>O(   ) \leftrightarrows  HCN(aq)+ OH<sup>-</sup>(aq). HCN(aq) \leftrightarrows   H<sup>+</sup>(aq)+ CN<sup>-</sup>(aq) K<sub>1</sub> = 6.2  \times 10<sup>-10</sup> H<sub>2</sub>O(   ) \leftrightarrows   H<sup>+</sup>(aq)+ OH<sup>-</sup>(aq) K<sub>2 </sub>= 1.0  \times 10<sup>-14</sup> ) \leftrightarrows HCN(aq)+ OH-(aq).
HCN(aq) \leftrightarrows H+(aq)+ CN-(aq)
K1 = 6.2 ×\times 10-10
H2O(  Given the following two reactions and their corresponding equilibrium constants at 25<sup> \circ </sup>C,find K<sub>c</sub> for CN<sup>-</sup>(aq)+ H<sub>2</sub>O(   ) \leftrightarrows  HCN(aq)+ OH<sup>-</sup>(aq). HCN(aq) \leftrightarrows   H<sup>+</sup>(aq)+ CN<sup>-</sup>(aq) K<sub>1</sub> = 6.2  \times 10<sup>-10</sup> H<sub>2</sub>O(   ) \leftrightarrows   H<sup>+</sup>(aq)+ OH<sup>-</sup>(aq) K<sub>2 </sub>= 1.0  \times 10<sup>-14</sup> ) \leftrightarrows H+(aq)+ OH-(aq)
K2 = 1.0 ×\times 10-14


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