Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
Risultati 1-3 di 87
Pagina 57
... example been rounded before calculation , an answer of 29.36 would have resulted . Caution must be exercised in evaluating the number of significant figures in a derived result that is numerically close to some power of ten . For example ...
... example been rounded before calculation , an answer of 29.36 would have resulted . Caution must be exercised in evaluating the number of significant figures in a derived result that is numerically close to some power of ten . For example ...
Pagina 178
... EXAMPLE . A quantity of BaCl2 2H2O is to be titrated with silver nitrate solution . The number of milliequivalents contained in 0.367 gram of pure BaCl2 2H2O ( gfw 244 ) is sought . · no . meq BaCl2 · 2H2O = = • grams BaCl2 · 2H2O meq ...
... EXAMPLE . A quantity of BaCl2 2H2O is to be titrated with silver nitrate solution . The number of milliequivalents contained in 0.367 gram of pure BaCl2 2H2O ( gfw 244 ) is sought . · no . meq BaCl2 · 2H2O = = • grams BaCl2 · 2H2O meq ...
Pagina 257
... EXAMPLE . Calculate the pH of 1 liter of the same buffer solution after addition of 10 meq of HCl . We may predict an increase in the concentration of undissoci- ated acetic acid as well as a decrease in the acetate concentration owing ...
... EXAMPLE . Calculate the pH of 1 liter of the same buffer solution after addition of 10 meq of HCl . We may predict an increase in the concentration of undissoci- ated acetic acid as well as a decrease in the acetate concentration owing ...
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