Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
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Pagina 91
... oxalate in a solution that has a constant hydronium ion concentration of 1.00 × 10 M. Step 1. Chemical equations . CaC2O4 ( s ) Ca2 + + C2O2 ̄ 620120 46046 ( 5-1 ) Because they are conjugate bases of weak acids , both oxalate ion and ...
... oxalate in a solution that has a constant hydronium ion concentration of 1.00 × 10 M. Step 1. Chemical equations . CaC2O4 ( s ) Ca2 + + C2O2 ̄ 620120 46046 ( 5-1 ) Because they are conjugate bases of weak acids , both oxalate ion and ...
Pagina 133
... oxalate . The abrupt change in weight at about 450 ° C signals the decom- position of calcium oxalate to calcium carbonate and carbon monoxide . The final step in the curve depicts the conversion of the carbonate to calcium oxide and ...
... oxalate . The abrupt change in weight at about 450 ° C signals the decom- position of calcium oxalate to calcium carbonate and carbon monoxide . The final step in the curve depicts the conversion of the carbonate to calcium oxide and ...
Pagina 324
... oxalate formed in a neutral or ammoniacal solution is likely to be contaminated with calcium hydroxide or a basic calcium oxalate ; the presence of either causes low results . This problem can be eliminated by adding the oxalate to an ...
... oxalate formed in a neutral or ammoniacal solution is likely to be contaminated with calcium hydroxide or a basic calcium oxalate ; the presence of either causes low results . This problem can be eliminated by adding the oxalate to an ...
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