Experiments Arranged for Students in General Chemistry
Experiments Arranged for Students in General Chemistry
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When the iron is *With a sharp knife make a longitudinal incision of about one cm, length, in a rubber tube, and close one end by means of a glass rod, COBALT AND NICKEL. 8 1 completely dissolved, remove the cork, add cold water to the solution, and slowly admit the permanganate until the final pink coloration appears. Note the volume of permanganate required to produce this effect. Suppose 30 cc. Had been consumed, then : 30 cc. K 2 Mn 2 O 8 = . 2000 gram metallic iron. I " = . 00666 " " " Thi...s is then the standard of the permanganate in iron units. Next, dissolve one gram of ferrous ammonium sulphate, in 100 cc. Distilled water, add five cc. Of sulphuric acid, and then introduce the permanganate until the final reaction is observed. Calculate the percentage of iron in this salt and compare the experimental result with the theoretical value. How much oxygen will each molecule of permanganate give up in oxidizing ? How many molecules of ferrous oxide can be changed to ferric oxide by a molecule of potassium permanganate.
What to read after Experiments Arranged for Students in General Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Smith Edgar Fahs to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
When the iron is *With a sharp knife make a longitudinal incision of about one cm, length, in a rubber tube, and close one end by means of a glass rod, COBALT AND NICKEL. 8 1 completely dissolved, remove the cork, add cold water to the solution, and slowly admit the permanganate until the final pink coloration appears. Note the volume of permanganate required to produce this effect. Suppose 30 cc. Had been consumed, then : 30 cc. K 2 Mn 2 O 8 = . 2000 gram metallic iron. I " = . 00666 " " " Thi...s is then the standard of the permanganate in iron units. Next, dissolve one gram of ferrous ammonium sulphate, in 100 cc. Distilled water, add five cc. Of sulphuric acid, and then introduce the permanganate until the final reaction is observed. Calculate the percentage of iron in this salt and compare the experimental result with the theoretical value. How much oxygen will each molecule of permanganate give up in oxidizing ? How many molecules of ferrous oxide can be changed to ferric oxide by a molecule of potassium permanganate.
What to read after Experiments Arranged for Students in General Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Smith Edgar Fahs to read onlineMoreLess
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