Fundamentals of Analytical ChemistryHolt, Rinehart, and Winston, 1976 - 804 pagine |
Dall'interno del libro
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Pagina 310
... 2 ) , we find MnO4 + 8H + + 5e Mn2 + + 4H2O 5 Fe3 + 5e5Fe2 + Емпол = +1.51 ... second half - reaction are multiplied by 5 . Since at equilibrium EFe3 + = Емпод then ... Cu2 + + 2Ag ( s ) We first calculate the equilibrium constant for the ...
... 2 ) , we find MnO4 + 8H + + 5e Mn2 + + 4H2O 5 Fe3 + 5e5Fe2 + Емпол = +1.51 ... second half - reaction are multiplied by 5 . Since at equilibrium EFe3 + = Емпод then ... Cu2 + + 2Ag ( s ) We first calculate the equilibrium constant for the ...
Pagina 311
Douglas A. Skoog. and 311 [ Cu2 + ] [ Ag + ] 2 = Kea = 4.3 x 1015 The magnitude of the equilibrium constant suggests that nearly all Ag + is used up . The molar concentration of Cu2 + is thus given by [ Cu2 + ] = ( 0.050 - [ Ag + ] ...
Douglas A. Skoog. and 311 [ Cu2 + ] [ Ag + ] 2 = Kea = 4.3 x 1015 The magnitude of the equilibrium constant suggests that nearly all Ag + is used up . The molar concentration of Cu2 + is thus given by [ Cu2 + ] = ( 0.050 - [ Ag + ] ...
Pagina 397
... Br- 10 ° -5 x 10-6 2-12 Max : [ S2- ] = 10-7 M ; [ 1- ] = 2 × 10-4 [ Br ~ ] Cd2 + 10 ° -10-7 3-7 CI- 10 ° -5 x 10-5 2-11 Cu2 + 10 ° -10-7 3-7 CN- 100-10-6 11-13 F- 10 ° -10-6 | - 10 ° -2 X 10-7 5-8 3-12 Max : [ Ag + ] , [ Hg2 + ] , [ Cu2 ...
... Br- 10 ° -5 x 10-6 2-12 Max : [ S2- ] = 10-7 M ; [ 1- ] = 2 × 10-4 [ Br ~ ] Cd2 + 10 ° -10-7 3-7 CI- 10 ° -5 x 10-5 2-11 Cu2 + 10 ° -10-7 3-7 CN- 100-10-6 11-13 F- 10 ° -10-6 | - 10 ° -2 X 10-7 5-8 3-12 Max : [ Ag + ] , [ Hg2 + ] , [ Cu2 ...
Sommario
INTRODUCTION | 1 |
A REVIEW OF SIMPLE EQUILIBRIUMCONSTANT | 22 |
vi | 42 |
Copyright | |
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Parole e frasi comuni
absorbance absorption acetic acid acid solution addition AgNO3 aliquot analysis analytical anode application aqueous solution base Beer's law buffer calcium Calculate carbonate cathode cations Cd2+ cell cerium chemical chloride color column complex compounds copper coulometric crucible Cu2+ determined dilute dissociation dissolved EDTA electrode potential electrolyte employed end point Equation equilibrium constant equivalence point equivalent weight error ethanol example excess Fe2+ Fe3+ Figure filter flask formation formula weight glass gravimetric H₂O H3O+ half-reaction hydrochloric acid hydrogen ion hydronium ion hydroxide indicator iodide iodine ion concentration iron(III liquid measurement metal method mixture NaOH ordinarily oxalate oxidation particles perchloric acid potassium precipitate quantity radiation reactant reaction reagent reduced sample silver silver chloride sodium solid solubility solution containing solvent species standard hydrogen electrode standard solution substance sulfuric sulfuric acid temperature titration titration curve volume volumetric wavelength
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