Asked by Lyndsay
If all of the SCN- was not converted completely converted to FeNCS^2+ when the calibration curve was prepared, would this raise or lower the value of Keq? Explain
Answers
Answered by
DrBob222
Fe^3+ + SCN^- ==> FeSCN^2+
Keq = [FeSCN^2+]/[Fe^3+][SCN^-]
So if SCN is not used up it will be too high and FeSCN^2+ will be too low. That will make Keq too low.
Keq = [FeSCN^2+]/[Fe^3+][SCN^-]
So if SCN is not used up it will be too high and FeSCN^2+ will be too low. That will make Keq too low.
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