Problem: What is the pH of 0.26 M trimethylammonium bromide, (CH3)3NHBr? Enter your answer with two decimal places.The Kb of trimethylamine, (CH3)3N, is 6.3 x 10-5.a. 5.19b. 5.60c. 4.21d. 7.62e. 6.27

FREE Expert Solution

Establish the Ka expression of the dissolution of trimethylammonium bromide (CH3)3NHBr and determine the pH using an ICE chart

We will solve this problem through these steps:

Step 1: Write an equation for the dissociation of (CH3)3NHBr

Step 2: Write an expression for the Ka

Step 3: Set up an ICE table to calculate the H3O+ ion concentration.

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Problem Details

What is the pH of 0.26 M trimethylammonium bromide, (CH3)3NHBr? Enter your answer with two decimal places.

The Kb of trimethylamine, (CH3)3N, is 6.3 x 10-5.

a. 5.19

b. 5.60

c. 4.21

d. 7.62

e. 6.27

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