Analytical ChemistryXerox College Pub., 1971 - 508 pagine |
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Pagina 161
... Fe3 + + Cr33 + . Balance the oxidation half - reaction . ( 1 ) Balance the atoms : Fe2 + →→ Fe3 + . ( 2 ) Add ... Fe , 2 Cr , 7 0 , 14 H , and a net charge of +24 . EXAMPLE 11.9 Complete and balance the following reactions : ( Sec ...
... Fe3 + + Cr33 + . Balance the oxidation half - reaction . ( 1 ) Balance the atoms : Fe2 + →→ Fe3 + . ( 2 ) Add ... Fe , 2 Cr , 7 0 , 14 H , and a net charge of +24 . EXAMPLE 11.9 Complete and balance the following reactions : ( Sec ...
Pagina 231
... Fe3 + , and 1.6 1.4 1.2 1.0 0.8 0.6 0 20 40 60 80 100 120 140 160 180 200 ml KMnO4 Figure 15.2 Titration curve for ... 2 / [ I2 ] = ( 2 ) 2 / ( 1 ) = 4. So the potential would be less than Eo by ( -0.059 / 2 ) log 4 . 5 In 0.5 M H2SO4 ...
... Fe3 + , and 1.6 1.4 1.2 1.0 0.8 0.6 0 20 40 60 80 100 120 140 160 180 200 ml KMnO4 Figure 15.2 Titration curve for ... 2 / [ I2 ] = ( 2 ) 2 / ( 1 ) = 4. So the potential would be less than Eo by ( -0.059 / 2 ) log 4 . 5 In 0.5 M H2SO4 ...
Pagina 235
... 2 Dependence of Potential on Complexation If one or both of the ions in a redox couple is complexed , the concentration of the free ion is reduced . This causes the potential of the couple to change . For example , Eo for the Fe3 + / Fe2 ...
... 2 Dependence of Potential on Complexation If one or both of the ions in a redox couple is complexed , the concentration of the free ion is reduced . This causes the potential of the couple to change . For example , Eo for the Fe3 + / Fe2 ...
Sommario
Introduction | 3 |
Basic Tools of Analytical Chemistry | 15 |
Experiment | 16 |
Copyright | |
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absorbance absorption acetic acid solution activity activity coefficient added agent alkaline amount analysis analytical anion atomic beaker beta particles blood buffer buret calcium Calculate calibration carbon cathode cell chelate chloride chromatography color column complex compounds concentration constant containing coulometric crucible decrease detector determined dilute dissolved distilled water EDTA electrode electrolyte eluted end point enzyme Equation equivalence point Erlenmeyer flask error example extraction Figure filter flame flask glass glucose half-reaction hydrochloric acid hydrogen hydroxide indicator instrument iodide ion-selective electrodes ionization measured mercury metal mixture mmoles molecule NaOH Nernst equation nitrogen oxidizing oxidizing agent particles percent perchloric acid pipet potassium potential precipitate prepared procedure protein reaction reagent redox reduced salt sample separation serum sodium soluble solvent substance sulfuric sulfuric acid temperature titration titration curve tube unknown volume volumetric volumetric flask wavelength weight zero