Chemistry, 26.10.2021 08:00 mjweed3381
Equilibria can be treated mathematically with the equilibrium constant, K. For the reaction Fe^3+ + SCN β equilibrium reaction arrow FeSCN^2+, the equilibrium constant expression is [FeSCN^2+β] K = [Fe^3+β] Β· [SCN ββ] where, for example, [Fe3+β] is the molar concentration (mol Fe^3+ / L solution) present in an equilibrium mixture. At some temperature, a chemist found the following equilibrium concentrations. [Fe3+β] = 8.17βββ10^β3 M, [SCN ββ] = 8.60βββ10^β3 M, [FeSCN^2+β] = 6.25βββ10^β2 M
a. What is value of K?
Suppose that some FeSCN^2+ is added to the above solution to shift the equilibrium. When equilibrium is re-established, the following concentrations are found.
[Fe3+β] = 8.34βββ10^β3 M, [SCNββ] = 8.77βββ10^β3 M
b. What is the concentration of FeSCN2+ in the new equilibrium mixture?
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Equilibria can be treated mathematically with the equilibrium constant, K. For the reaction Fe^3+ +...
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