Co(II) was used as an internal standard to analyze a sample of Ti(IV) with atomic absorption spectroscopy (AAS). A standard mixture containing 1.22 ug Co/ml and 2.20 ug Ti/mL measured by AAS produced a signal-to-signal ratio of 2.35 Ti : 1.00 Co. A mixture was prepared by combining 6.00 mL of a Ti(IV) solution of unknown concentration with 4.00 mL of a 12.4 ug/mL solution of Co(II). The absorbance of the mixture at the Ti(IV) wavelength was 0.104 and the absorbance at the Co(II) wavelength was 0.189. Determine the concentration, in moles per liter, of Ti(IV) in the original unknown solution. concentration: M Ti(IV)
Co(II) was used as an internal standard to analyze a sample of Ti(IV) with atomic absorption spectroscopy (AAS). A standard mixture containing 1.22 ug Co/ml and 2.20 ug Ti/mL measured by AAS produced a signal-to-signal ratio of 2.35 Ti : 1.00 Co. A mixture was prepared by combining 6.00 mL of a Ti(IV) solution of unknown concentration with 4.00 mL of a 12.4 ug/mL solution of Co(II). The absorbance of the mixture at the Ti(IV) wavelength was 0.104 and the absorbance at the Co(II) wavelength was 0.189. Determine the concentration, in moles per liter, of Ti(IV) in the original unknown solution. concentration: M Ti(IV)
Chapter26: Molecular Absorption Spectrometry
Section: Chapter Questions
Problem 26.32QAP
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