13. The transmittance of a solution measured at 590 nm in a 1.5-cm cuvette was 76.2%. (a) What is the corresponding absorbance? (b) If the concentration is 0.0802 M, what is the absorptivity of this species at this wavelength? (c) If the absorptivity is 10,000 L mol cm', what is the concentration?

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Q: If 0.143 moles of NaCl were dissolved in a 250.0ml solution, what is the concentration of the NaCl…

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Q: in the manufacture of ammonium chloride from the ammonium sulfate process which reacts with sodium…

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Q: The pKa for HCN(aq) is 9.21. What is the pH of a 1.245 M solution of NaCN? O a. 11.25 O b. 1.24 O c.…

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Q: n unknown ionic compound M2X has a lattice energy that was found to equal 2750 kJ/mol.  Calculate…

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Q: stand the least stable conformation of ti CHs

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Q: 24 20.0 mL of a 0.100 M butanoic acid solution is titrated with a 0.250 M solution of Ba(OH)2…

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Q: °C: NO + O3- NO2 + 02 Initial Rate, Experiment (NO]o, M [03lo, M Ms-1 7.88x10-2 7.88x10-2 3.70x10-2…

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Q: the diagram of the  fluoride ion-selective electrode

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Q: Balance the following REDOX equation in ACIDIC conditions: A2O72-  +  B2O42-  ->A3+  +  BO2

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.