Problem: What is the pH of 0.070 M dimethylamine?

🤓 Based on our data, we think this question is relevant for Professor Billman's class at Abilene Christian University.

FREE Expert Solution

Dissociation of dimethylamine in water: 


(CH3)2NH(aq) + H2O(l)  OH(aq) + (CH3)2NH2+(aq); Kb5.90 x10–4


ICE table:



The Kb expression for (CH3)2NH is:


Kb=productsreactants=[(CH3)2NH2+][OH-][(CH3)2NH]

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What is the pH of 0.070 M dimethylamine?

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.