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Tuanh
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Posts: 1
Joined: Sun Oct 18, 2009 6:39 pm

I need some helps

Post by Tuanh »

I have a Quan Chem problem. Please help me out!
A certain solution contains NaOH and Na2CO3. A 50.00 Ml aliquot of the mixed base requires 22.43ml of 0.1 N HCl to the Phenolphthalein endpoint. A second aliquot of the bases require 30.62ml to the methyl orange end point. Calculate the Normality of the NaOH in the original solution.

I actually confused about how to analyzed this type of problems. so please help me out. Thank you so much
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