A student determines that an aqueous solution that contains 0.384 M potassium cyanide and 0.130 M hydrocyanic acid, also has an H3O+ concentration of 1.79×10-10 M. Based on these data, calculate the value of the equilibrium constant K for the equilibrium: HCN(aq) + H2O----- H3O+(aq) + CN-(aq) Calculate K as is usually done, omitting the solvent, water, from the expression for K: K =
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A student determines that an aqueous solution that contains 0.384 M potassium cyanide and 0.130 M hydrocyanic acid, also has an H3O+ concentration of 1.79×10-10 M. Based on these data, calculate the value of the equilibrium constant K for the equilibrium:
HCN(aq) + H2O----- H3O+(aq) + CN-(aq)
Calculate K as is usually done, omitting the solvent, water, from the expression for K: K =
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