Answered: cadmium from downstream runoff was…

cadmium from downstream runoff was obtained using an adsorber. Determine the mass of Cd adsorbed if 10.35mL of 0.1544 M Edta was used to obtain the endpoint

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter23: Potentiometry

Section: Chapter Questions

Problem 23.12QAP: What arc the advantages of microfabricated ISEs? Describe typical applications of this type of...

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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.

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3 g of activated charcoal is added into 2 L of a solution containing organic dye X. The initial concentration of the dye is 1000 ppm and the concentration after removal of the activated charcoal removed is 400 ppm. ■ Calculate how many mg of organic dye X are adsorbed on the activated charcoal. ■ Calculate the ability of activated charcoal to adsorb dye X (expressed in weight to weight ratio).
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Why are adsorbate particles attracted and retained on the surface ofadsorbent?
Distinguish absorption from adsorption. When you heat glassware in a drying oven, are you removing absorbed or adsorbed water?
Commercial Vanadyl Sulfate (VOSO4) is contaminated with H2SO4 and H2O. A solution was prepared dissolving 0.2447 g of impure VOSO4 in 50.00 mL of water. A spectrophotometric analysis indicated that the The concentration of vanadyl ions, VO2+ (blue) was 0.0243 M. A 5.00 mL sample was passed through a column filled with a cation exchange resin in H+ form, to retain the vanadyl ion and the eluent necessary for its titration 13.03 mL of NaOH 0.02274 M. Calculate the percentage by weight of each component (VOSO4, H2SO4, and H2O) in commercial vanadyl sulfate. (Pm VOSO4, 162.96; H2SO4, 97.94)
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A carbonate fusion was needed to free the Bi from 0.6423 g sample containing the mineral eulytite (2Bİ2O4 – 3SIO2). The fused mass was dissolved in dilute acid, following which the Bi3+ was titrated with 27. 36 mL of 0.03369 M NaH,PO4. Bi3+ H2PO4 -> BİPO4 (s) 2H+ + Calculate the percent purity of eulytite in the sample.
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