Acidified KMNO4

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lada
Posts: 1024
Joined: 29 Jun 2006, 10:00
State/Location: NSW

Acidified KMNO4

Post by lada »

Teacher has asked for acidified KMNO4 8O for organic practical, looking at double bonds. We have always used Br water, so now i have to make up KMNO4. I have instructions to make 0.1M in 4M H2SO4. It seems very strong. Has any of you used it and what strenght??

Lada :coffee:
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dolphinscales
Posts: 370
Joined: 30 Oct 2006, 10:00
Job Title: Laboratory Technican
School: Mandurah Senior College
State/Location: WA

Re: Acidified KMNO4

Post by dolphinscales »

OK if it is 0.1M potassium permanganate 15.8g in 1L of water then acidified with a few drops of Conc Sulphuric acid.
you dont want to make it up in 4M acid
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