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Topic: Factors affecting rates of a reaction  (Read 1627 times)

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Offline nubshat3112

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Factors affecting rates of a reaction
« on: October 28, 2012, 09:40:54 PM »
30ml of water, 15ml oxalic acid, 15,ml sulphuric acid is in a beaker, 5 ml KMnO4 is added (reaction takes 4mins)

2KMnO4 + 5H2C2O4 + 3H2SO4 -> 2MnSO4 + K2SO4 + 10CO2 + 8H2O

After his reaction is complete another 5 ml of KMnO4 is added and the reaction takes 1 min

explain why there is a difference in the time from the first reaction
Please help this is due tomorrow
Thanks in advance
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Offline Hunter2

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Re: Factors affecting rates of a reaction
« Reply #1 on: October 29, 2012, 01:47:55 AM »
Mn2+ is a catalyst.
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