At the stoichiometric point in the titration of 0.260 M CH 3NH2(aq) with 0.260 M HCl(aq),
1. [CH3NH2] = 0.130 M.
2. the pH is less than 7.
3. [CH3NH+3] = 0.260 M.
4. the pH is 7.0.
5. the pH is greater than 7
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