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A Study of the Reduction of Permanganic Acid by Manganese Dioxide
Horace Greeley Byers
No preview available - 2015
3KNO 70 Hours acid was added acidified solutions addition of acid agitation amount of acid bath beaker burette carbon monoxide Chem column concentration cubic centimeter cylinders determine dilute employed Permanganate unprecipitated evolution of oxygen experiments running 71 formed in neutral H,SO HAO4 HMnO4 to MnO hydrogen III.—Time Johns Hopkins KMnO4 manganese dioxide manganese sulphate Mean Ratio MnSO4 molecule of permanganate molecules of manganese Morse Na,SO neutral permanganate neutral solution nitric acid nitrometer oxalic acid oxide formed oxide precipitated oxides produced oxygen evolved Percentage reduction permanganate solution Permanganate unprecipitated 1246.5 Permanganate unprecipitated Volume polymerization potassium nitrite potassium permanganate Precipitant employed Permanganate quantity ratio of HMnO4 reaction reduced to MnO restore color Series I.—Time sodium sulphite solution 90.0 cc solution Molecular ratio solution of permanganate solutions of potassium sugar sulphuric acid sulphuric and nitric temperature tion titration unprecipitated 1246.5 mg Volume of solution