Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 72
Pagina 66
... assume that s and σ are , for all practical purposes , identical when N is greater than about 20. It thus becomes feasible for the chemist to obtain a good approximation of s when the method of measurement is not too time - consuming ...
... assume that s and σ are , for all practical purposes , identical when N is greater than about 20. It thus becomes feasible for the chemist to obtain a good approximation of s when the method of measurement is not too time - consuming ...
Pagina 312
... assume that at equivalence , [ H ] = 0.0100 . Note that the equations are not balanced . ( a ) Sn ** + Cr2 * — Sn2 + + Cr3 + ( b ) Tl3 + + HNO2 — TI * + NO1 ̄ ̄ 2+ ( c ) Fe3 + + U ** + H2O ⇒ Fe2 + + UO22 + + H * ( d ) MnO4 + H3AsO3 + H ...
... assume that at equivalence , [ H ] = 0.0100 . Note that the equations are not balanced . ( a ) Sn ** + Cr2 * — Sn2 + + Cr3 + ( b ) Tl3 + + HNO2 — TI * + NO1 ̄ ̄ 2+ ( c ) Fe3 + + U ** + H2O ⇒ Fe2 + + UO22 + + H * ( d ) MnO4 + H3AsO3 + H ...
Pagina 387
... ( assume that [ I ] = 0.300 at the equivalence point ) . ( c ) The titration of I with Pb ( NO3 ) 2 , using a lead electrode [ product : Pbl2 ( s ) ] . ( d ) The titration of HNO2 with MnO4 , employing a platinum electrode ( assume that ...
... ( assume that [ I ] = 0.300 at the equivalence point ) . ( c ) The titration of I with Pb ( NO3 ) 2 , using a lead electrode [ product : Pbl2 ( s ) ] . ( d ) The titration of HNO2 with MnO4 , employing a platinum electrode ( assume that ...
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