Problem: What is the pH of a buffer solution that is 0.24 M NH 3 and 0.20 M NH4Cl?

FREE Expert Solution

We’re being asked to calculate the pH of a solution the contains 0.24 M NH 3 and 0.20 M NH4Cl.

A solution that contains a weak base and its conjugate acid is a buffer solution. The pH of a buffer solution can be determined using the Henderson-Hasselbalch equation.

Given solution:

The solution is composed of 0.24 M NH 3 and 0.20 M NH4Cl.

 NH 3  is a weak base
 the cation in NH4Cl is the conjugate acid

NH4Cl → NH4+ + Cl- 

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Problem Details

What is the pH of a buffer solution that is 0.24 M NH 3 and 0.20 M NH4Cl?

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