# Chemistry pH problem

1. May 3, 2006

### Ukitake Jyuushirou

What is the pH of a solution 0.1 M in ammonia and 0.141 M in ammonium chloride? (Kb for ammonia is 1.8e-5)

i would really appreciate if someone can pt me in the right direction on how to solve this qn

2. May 3, 2006

### pizzasky

It will help if you write out the equation for $$K_{b}$$.

Also, remember that ammonium chloride is soluble in water and dissociates completely, producing ammonium and chloride ions.

3. May 3, 2006

### Staff: Mentor

This is buffer question. You may use Henderson-Hasselbalch equation to solve it.

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook