A student determines that an aqueous solution that contains 9.32×10-2 M sodium cyanide and 0.163 M hydrocyanic acid, also has a H3O+ concentration of 8.05×10-10 M. Based on these data, calculate the value of the equilibrium constant K for the equilibrium

Chemistry
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Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A student determines that an aqueous solution that contains 9.32×10-2 M sodium cyanide and 0.163 M hydrocyanic acid, also has a H3O+ concentration of 8.05×10-10 M. Based on these data, calculate the value of the equilibrium constant K for the equilibrium:


(1) as is usually done, without the inclusion of water in the expression for K: K =

(2) for comparison, with the inclusion of water in the expression for K: K = 

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