The fictitious complex M(SCN)2 can be produced from an aqueous equilibrium in which the M2+ ion is mixed with thiocyanate ion. A solution containing initial concentrations of M2+ and SCN− are 0.000100 M and 0.000300 M  respectively has an equilibrium concentration of M(SCN)2 of  1.00 ×10−5 M.   What are the equilibrium concentrations of the two starting ions and what is the value of the equilibrium constant?     [M2+]=     [SCN−]=    Kc =

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