Problem: The compound dimethylamine, (CH3)2NH, is a weak base when dissolved in water. Write the Kb expression for the weak base equilibrium that occurs in an aqueous solution of dimethylamine:

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Equilibrium reaction:        (CH3)2NH(aq) + H2O(l)  (CH3)2NH2+(aq) + OH-(aq)


Kb is the base dissociation constant and it is an equilibrium expression

When writing an equilibrium expression:

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Problem Details

The compound dimethylamine(CH3)2NH, is a weak base when dissolved in water. Write the Kexpression for the weak base equilibrium that occurs in an aqueous solution of dimethylamine:

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Weak Bases concept. If you need more Weak Bases practice, you can also practice Weak Bases practice problems.

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Based on our data, we think this problem is relevant for Professor Keller's class at UW-SEATTLE.