In the titration of 30.0 mL of 0.200 M (CH3)2NH with 0.300 M HI. Determine the...

In the titration of 30.0 mL of 0.200 M (CH3)2NH with 0.300 M HI. Determine the pH at the 1/4 of the waypoint in this titration. Determine the pH at the eqivalence point in this titration. Compare both answers and explain if they make sense. (Thanks for the help!)

Sorry! The value for Ka is 3.2 x 10^9 and Kb is 5.4 x 10^-4

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Expert Solution

As dimethyl amine is basic in nature so when we make a solution of it we get a solution at high pH.

When we start titration with HI the pH of the solution will start decreasing because HI is acidic in nature.and neutralize the base and at the 1/4 of way point its pH is 11.33.

when we add more acid and reach at equivalence point the pH of the solution becomes less & it is 5.826.

queen_honey_blossom answered 1 year ago

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