Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
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Pagina 14
... percentage composition of a solution can be expressed in any of several ways . Three of the more com- mon methods are defined as follows : weight percent = weight of solute weight of solution X 100 volume percent = weight - volume percent ...
... percentage composition of a solution can be expressed in any of several ways . Three of the more com- mon methods are defined as follows : weight percent = weight of solute weight of solution X 100 volume percent = weight - volume percent ...
Pagina 67
... percent MgO ? ans . 0.7243 gram 13. A 0.500 - gram sample containing 5.0 percent Fe , 6.2 percent Al , and 1.8 percent Ti was dissolved and the metals precipitated as the basic oxides . What was the weight of the mixture of Fe2O3 ...
... percent MgO ? ans . 0.7243 gram 13. A 0.500 - gram sample containing 5.0 percent Fe , 6.2 percent Al , and 1.8 percent Ti was dissolved and the metals precipitated as the basic oxides . What was the weight of the mixture of Fe2O3 ...
Pagina 188
... percent pure ) would require a 40.0 ml titration with 0.1175 N K2Cr2O7 ? Cr2O + 6Fe2 + + 14H + → 2Cr3 + + 6Fe3 + + ... percent BaCl2 2H2O if a 0.412 - gram sample required 26.4 ml of 0.0500 N AgNO3 ? ans . 39.1 percent 38. Calculate the ...
... percent pure ) would require a 40.0 ml titration with 0.1175 N K2Cr2O7 ? Cr2O + 6Fe2 + + 14H + → 2Cr3 + + 6Fe3 + + ... percent BaCl2 2H2O if a 0.412 - gram sample required 26.4 ml of 0.0500 N AgNO3 ? ans . 39.1 percent 38. Calculate the ...
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