Tuesday
July 22, 2014

Homework Help: chemistry

Posted by faruk on Friday, July 26, 2013 at 11:56pm.

ou weigh out Potassium Permanganate,
Mass of KMnO4 (MW=158.034).......... 0.1569 g
You dissolve it completely in water.......... 46.00 mL
(a) Molarity of MnO4- solution........................... ________________ M
You pipet out your UNKNOWN............. 0.90 mL
You acidify and titrate it with your KMnO4 solution until the permanganate color persists.
Volume of permanganate solution.......... 14.61 mL
(b) Molarity of the HOOH in the UNKNOWN...................................._____________ M

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