Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 87
Pagina 146
Douglas A. Skoog, Donald M. West. Introduction Methods End Points in Volumetric Methods An end point is based upon a physical property which changes in a characteristic way at or near the equivalence point in the titration . The most common ...
Douglas A. Skoog, Donald M. West. Introduction Methods End Points in Volumetric Methods An end point is based upon a physical property which changes in a characteristic way at or near the equivalence point in the titration . The most common ...
Pagina 238
... END POINT , Vphy AND A BROMOCRESOL GREEN END POINT , Vbg Vph = Vbg Vph = Vbg Vph = 0 , Vbg > 0 Vph > Vbg Vph < Vbg equal volumes of the sample ( see Table 10-2 and Figure 9-9 ) . Once the composition has been established , the volume ...
... END POINT , Vphy AND A BROMOCRESOL GREEN END POINT , Vbg Vph = Vbg Vph = Vbg Vph = 0 , Vbg > 0 Vph > Vbg Vph < Vbg equal volumes of the sample ( see Table 10-2 and Figure 9-9 ) . Once the composition has been established , the volume ...
Pagina 245
... end point . Calculate the percent KOH , K2CO ,, and water in the sample , assuming that these are the only compounds present . 28. A 0.445 - g sample containing NaHCO3 , Na2CO3 , and H2O was dissolved and diluted to exactly 250.0 ml . A ...
... end point . Calculate the percent KOH , K2CO ,, and water in the sample , assuming that these are the only compounds present . 28. A 0.445 - g sample containing NaHCO3 , Na2CO3 , and H2O was dissolved and diluted to exactly 250.0 ml . A ...
Sommario
Introduction | 1 |
A Review of Simple Equilibrium Constant | 24 |
The Evaluation of Analytical Data | 46 |
Copyright | |
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absorbance absorption activity coefficient addition AgNO3 aliquot analysis analyte anode application approximately atoms base buffer buret calcium Calculate calibration carbonate cathode cations cell cerium(IV chemical color column complex concen copper(II coulometric crucible determined dilute dissociation constant dissolved EDTA electrode potential electrolyte employed end point Equation equilibrium constant equivalence point equivalent weight example excess filter formal concentration formation formula weight glass H₂O H3O+ half-cell half-reaction hydrogen hydronium ion hydroxide indicator iodide iodine ion concentration iron(III liquid liter measurements mercury(II metal method molar NaOH oxalate oxidation particles permanganate pipet potassium precipitate prepared primary standard Procedure quantity radiation reaction reagent reduced sample silver chloride silver ion silver nitrate sodium solid solubility solution containing solvent species standard hydrogen electrode standard solution substance sulfuric acid Table temperature thiosulfate titration curve volume volumetric flask wavelength zinc