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November 08, 2025, 04:10:15 am

Author Topic: redox titration question  (Read 862 times)  Share 

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meghna12

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redox titration question
« on: April 30, 2013, 05:01:26 pm »
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 Fe used 3g

H2SO4  3.0 M and 30 ml

KMnO4   0.04 M and average titre of 20.5

MnO4- + 5 Fe2+ + 8 H+ = Mn2+ + 5 Fe3+ + 4 H2O

find the percentage of Fe in iron wool?


please help me guys.. I need it tommorrow

Mao

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Re: redox titration question
« Reply #1 on: April 30, 2013, 05:08:35 pm »
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7.63%

(you should attempt your question first. where are you stuck? you won't gain much benefit from just looking at someone else's solutions)
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meghna12

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Re: redox titration question
« Reply #2 on: April 30, 2013, 06:30:44 pm »
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Thanks..  I have the same result as you but i was confused because someone else in the school got different answer than me for same question