For the aqueous equilibrium FeSCN^ 2+ (aq) ; ; Fe^ 3+ (aq) + SCN^-(aq) at 298 K

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

For the aqueous equilibrium FeSCN2+(aq)  ⇌  Fe3+(aq)+SCN−(aq)\mathrm{FeSCN^{2+}(aq) \;\rightleftharpoons\; Fe^{3+}(aq) + SCN^-(aq)} Kc=1.5×102K_c = 1.5\times10^{2} at 298 K. A 1.00 L solution initially contains [FeSCN2+]0=0.050 M[\mathrm{FeSCN^{2+}}]_0 = 0.050\,\text{M} and no Fe3+\mathrm{Fe^{3+}} or SCN−\mathrm{SCN^-}. Calculate the equilibrium concentration of FeSCN2+\mathrm{FeSCN^{2+}} (aq) at 298 K.

Related theory

Browse the problem library