Working with half lives to determine the time required to reach a certain percentage of its initial concentration. - A first order reaction has a half-life of 157 seconds. How much time is required for the reactant to be reduced to 12.5% of its initial concentration?
Identifying ligands and their charges. - Identify the ligands and their charges in Co(en)2(CN)2+.
Determining the number of unpaired electrons in a complex ion. - Determine the number of unpaired electrons in an octahedral, high-spin iron(III) complex ion.
Determining the number of unpaired electrons in a strong-field complex ion. - Determine the number of unpaired electrons in an octahedral, strong-field Co(exponent positive 2) complex ion.
Calculating the maximum absorbance of light given a crystal field splitting energy. - The crystal field splitting energy for TiF6^-3 is 203 kJ/mol. At what wavelength does the maximum absorbance of light occur for this complex?