Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
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Pagina 67
... sample yielded 0.0162 gram of SnO2 , 0.0228 gram of PbSO4 , 1.295 grams of CuSCN , and 0.316 gram of Zn2PO7 . Calculate the percentage of each element in the alloy . 9. The carbon in a 0.710 - gram sample of steel was ignited to CO2 in ...
... sample yielded 0.0162 gram of SnO2 , 0.0228 gram of PbSO4 , 1.295 grams of CuSCN , and 0.316 gram of Zn2PO7 . Calculate the percentage of each element in the alloy . 9. The carbon in a 0.710 - gram sample of steel was ignited to CO2 in ...
Pagina 315
... sample of a carbonate was analyzed by titration with 0.202 N HCl . The solution was boiled near the end point to remove CO2 . ( a ) Calculate the percent CO2 in the sample if 24.2 ml of acid were required . ( b ) What would be the error ...
... sample of a carbonate was analyzed by titration with 0.202 N HCl . The solution was boiled near the end point to remove CO2 . ( a ) Calculate the percent CO2 in the sample if 24.2 ml of acid were required . ( b ) What would be the error ...
Pagina 408
... sample . 9. How would you prepare 500 ml of exactly 0.200 N Ce + in 1 F H2SO , from primary - standard grade ( NH4 ) 2Ce ( NO3 ) 6 ( gfw = 548.3 ) ? 10. A 0.412 - gram sample containing potassium azide ( KN ) was treated with 50.0 ml of ...
... sample . 9. How would you prepare 500 ml of exactly 0.200 N Ce + in 1 F H2SO , from primary - standard grade ( NH4 ) 2Ce ( NO3 ) 6 ( gfw = 548.3 ) ? 10. A 0.412 - gram sample containing potassium azide ( KN ) was treated with 50.0 ml of ...
Sommario
The Scope of Analytical Chemistry | 1 |
Some Elementary Concepts | 7 |
The Evaluation of Analytical Data | 34 |
Copyright | |
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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