Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
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Pagina 337
... thiosulfate is described by the equation 2S2O3 + I2S4O62 ̄ + 21 ̄ The production of the tetrathionate ion requires the loss of two electrons from two thiosulfate ions ; the equivalent weight of thiosulfate in this reaction must ...
... thiosulfate is described by the equation 2S2O3 + I2S4O62 ̄ + 21 ̄ The production of the tetrathionate ion requires the loss of two electrons from two thiosulfate ions ; the equivalent weight of thiosulfate in this reaction must ...
Pagina 338
... thiosulfate from which it was derived . Clearly thiosulfate solutions cannot be allowed to stand in contact with acid . On the other hand , iodine solutions that are 3 to 4 F in acid may be titrated without error as long as care is ...
... thiosulfate from which it was derived . Clearly thiosulfate solutions cannot be allowed to stand in contact with acid . On the other hand , iodine solutions that are 3 to 4 F in acid may be titrated without error as long as care is ...
Pagina 339
... thiosulfate solutions iodate ion reacts rapidly with iodide in slightly acidic solution to give iodine . IO3 ̄ + 51 ̄ + 6H * ➡ 311⁄2 + 3H2O 312 + 6e → 61 Three moles of iodine are furnished by each formula weight of potassium iodate ...
... thiosulfate solutions iodate ion reacts rapidly with iodide in slightly acidic solution to give iodine . IO3 ̄ + 51 ̄ + 6H * ➡ 311⁄2 + 3H2O 312 + 6e → 61 Three moles of iodine are furnished by each formula weight of potassium iodate ...
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