A student mixed 5.00 mL of 0.100 M Fe(NO3)3 with 50.00 mL of 2.00x10−4 M KSCN. The student measured the absorbance of one aliquot of the solution at a wavelength of 447 nm, with a pathlength of 1.00 cm. The absorbance reading was 0.615. Compute the following quantities a. [FeSCN2+]eq = b. (mols FeSCN2+)eq = c. (mols Fe3+)initial = d. (mols SCN−)initial = e. (mols Fe3+)eq = f. (mols SCN−)eq = g. [Fe3+]eq = h. [SCN−]eq = i. Keq=
A student mixed 5.00 mL of 0.100 M Fe(NO3)3 with 50.00 mL of 2.00x10−4 M KSCN. The student measured the absorbance of one aliquot of the solution at a wavelength of 447 nm, with a pathlength of 1.00 cm. The absorbance reading was 0.615. Compute the following quantities a. [FeSCN2+]eq = b. (mols FeSCN2+)eq = c. (mols Fe3+)initial = d. (mols SCN−)initial = e. (mols Fe3+)eq = f. (mols SCN−)eq = g. [Fe3+]eq = h. [SCN−]eq = i. Keq=
Chapter12: Spectrochemical Methods
Section: Chapter Questions
Problem 10P
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A student mixed 5.00 mL of 0.100 M Fe(NO3)3 with 50.00 mL of 2.00x10−4 M KSCN. The student measured the absorbance of one aliquot of the solution at a wavelength of 447 nm, with a pathlength of 1.00 cm. The absorbance reading was 0.615. Compute the following quantities
a. [FeSCN2+]eq =
b. (mols FeSCN2+)eq =
c. (mols Fe3+)initial =
d. (mols SCN−)initial =
e. (mols Fe3+)eq =
f. (mols SCN−)eq =
g. [Fe3+]eq =
h. [SCN−]eq =
i. Keq=
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