Ron A.

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Questions

The following questions were asked by visitors named Ron A..

What is the pH at the equivalence point for the titration of 0.26M CH3NH2(aq) with 0.26M HClO4(aq)? For CH3NH2, Kb = 3.6 x 10^-4. I arrived to the answer of pH=5.57 but its wrong. Can you tell me why it is wrong? Thanks!

Answers

The following answers were posted by visitors named Ron A..

How did you get 0.13M?

There is 0.26M of both CH3NH2 and HClO4. So that means it will create 0.26M of CH3NH3+ and ClO4- right? Then I put it in the ICE table: CH3NH3+ + H20 - > CH3NH2 + H30+ CH3NH3+ at Equlibrium would be 0.26M-x while the both products will be x I put it in th...