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Chemistry: Post your doubts here!

How one know that which MnO-4 half equation use MnO4– + 4H++ 3e– MnO2 + 2H2O +1.67 MnO4– + 8H++ 5e– Mn2+ + 4H2O +1.52
- Sheraz ali
- Post #18,381
- Sep 9, 2018
- Forum: A-Levels
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Chemistry: Post your doubts here!

Iron(III) chloride, FeCl 3, is used to dissolve unwanted copper from printed circuit boards (PCBs) by the following reaction. 2FeCl 3(aq) + Cu(s) → 2FeCl 2(aq) + CuCl 2(aq) A solution in which [Fe3+(aq)] was originally equal to 1.50 mol dm–3 was re-used several times to dissolve copper from...
- Sheraz ali
- Post #18,380
- Sep 9, 2018
- Forum: A-Levels
S
Chemistry: Post your doubts here!
- Sheraz ali
- Post #18,360
- Jun 27, 2018
- Forum: A-Levels
S
Chemistry: Post your doubts here!

Why???
- Sheraz ali
- Post #18,358
- Jun 22, 2018
- Forum: A-Levels
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AS and A Level Chemistry Coursebook [CD-ROM] (download)

I need cd as Chemistry
- Sheraz ali
- Post #108
- Jun 22, 2018
- Forum: A-Levels

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