Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
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Pagina 173
... ion . Similarly , we know that only one hydrogen in acetic acid , HC2H3O2 , is acidic ; therefore , the formula ... hydrogen ions ; by our definition its equivalent weight will be one half its formula weight . In the case of sulfuric ...
... ion . Similarly , we know that only one hydrogen in acetic acid , HC2H3O2 , is acidic ; therefore , the formula ... hydrogen ions ; by our definition its equivalent weight will be one half its formula weight . In the case of sulfuric ...
Pagina 400
... ion slowly to iodine according to the equation Cr20 +61 + 14H + 2Cr3 + + 312 + 7H2O For this reaction to be quantitative , control must be maintained over the hydrogen ion concentration , the iodide concentration , and the time of ...
... ion slowly to iodine according to the equation Cr20 +61 + 14H + 2Cr3 + + 312 + 7H2O For this reaction to be quantitative , control must be maintained over the hydrogen ion concentration , the iodide concentration , and the time of ...
Pagina 431
... hydrogen ion concentration of aqueous solutions can vary over a tremendous range ; yet relatively small changes in this quantity may greatly alter the chemical behavior and properties of a solvent . For example , a tenfold change in ...
... hydrogen ion concentration of aqueous solutions can vary over a tremendous range ; yet relatively small changes in this quantity may greatly alter the chemical behavior and properties of a solvent . For example , a tenfold change in ...
Sommario
The Scope of Analytical Chemistry | 1 |
Some Elementary Concepts | 7 |
The Evaluation of Analytical Data | 34 |
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absorbance absorption acid solution addition AgCl AgNO3 aliquot analysis analytical barium base buffer buret Calculate carbonate cell cerium chemical chemist chloride ion colloidal color complex compound coprecipitation crucible determined deviation dilute dissociation dissolved employed end point equation equilibrium constant equivalence point equivalent weight error example excess F solution Fe2+ filter flask formal concentration formula weight grams gravimetric H₂ H₂O H3O+ half reaction hydrogen ion hydronium ion hydroxide indicator iodide iodine ion concentration iron iron III KMnO4 liquid liter measurement metal method milliequivalents ml of water mol/liter NaOH normality oxalate oxidation particles percent permanganate phenolphthalein pipet potassium potentiometric precipitate quantity radiation reagent reduced result salt sample silver chloride silver ion silver nitrate sodium sodium carbonate solid solubility solvent species standard hydrogen electrode standard solution substance sulfate sulfuric acid temperature thiocyanate tion titration curve volt volume volumetric wash weak acid