3. A solution with initial concentrations of 6.00 M Fe3+ and 10.0 M SCN is allowed to reach equilibrium. At equilibrium it is found that the concentration of FeSCN2+ is 4.00 M. What are the equilibrium concentrations of the Fe3+ and SCN ? Fe (aq) + SCN (aq) FESCN2+(aq) (A) [Fe3+] = 4.00 M; [SCN ] = 4.00 M (B) [Fe+] = 2.00 M; [SCN ] = 6.00 M (C) [Fe3+] = 6.00 M; [SCN ] = 2.00 M %3D %3D (D) [Fe3+] = 2.00 M; [SCN-]= 2.00 M %3D

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3. A solution with initial concentrations of 6.00 M Fe3+ and
10.0 M SCN is allowed to reach equilibrium. At equilibrium
it is found that the concentration of FeSCN2+ is 4.00 M. What
are the equilibrium concentrations of the Fe3+ and SCN-?
Fe3+(aq) + SCN (aq) FESCN?+(aq)
(A) [Fe3+] = 4.00 M; [SCN ] = 4.00 M
(B) [Fe+] = 2.00 M; [SCN ] = 6.00 M
%3D
%3D
%3D
(C) [Fe3+] = 6.00 M; [SCN ] = 2.00 M
%3D
(D) [Fe3+] = 2.00 M; [SCN-] = 2.00 M
Transcribed Image Text:3. A solution with initial concentrations of 6.00 M Fe3+ and 10.0 M SCN is allowed to reach equilibrium. At equilibrium it is found that the concentration of FeSCN2+ is 4.00 M. What are the equilibrium concentrations of the Fe3+ and SCN-? Fe3+(aq) + SCN (aq) FESCN?+(aq) (A) [Fe3+] = 4.00 M; [SCN ] = 4.00 M (B) [Fe+] = 2.00 M; [SCN ] = 6.00 M %3D %3D %3D (C) [Fe3+] = 6.00 M; [SCN ] = 2.00 M %3D (D) [Fe3+] = 2.00 M; [SCN-] = 2.00 M
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