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Consider the titration of a 28.0 −mLsample of 0.180 M CH3NH2 with 0.155 M HBr. Determine...

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Chemistry

Consider the titration of a 28.0−mLsample of 0.180 M CH3NH2 with 0.155 M HBr. Determine each of thefollowing.

the inital pH

the volume of added acid required to reach the equivalencepoint

the pH at 6.0 mL of added acid

the pH at one-half the equivalence point

the pH at the eqivalence point

the pH after adding 6.0 mL of acid beyond the equivalencepoint

Answer & Explanation Solved by verified expert
4.0 Ratings (549 Votes)
CH3NH2 Kb 50 x 104 pKb 330 initial pH CH3NH3 H2O CH3NH3 OH 0180 0 0 initial 0180x x x equilbrium Kb x2 0180 x 50 x 104 x2 0180 x x2    See Answer
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