pH and buffer questions (more)

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Would the following solutions qualify as a buffer? Why or why not? Please explain

0.050 M HBr & 0.050 NaBr

0.100 M NH4Cl & 0.200 M NH3

Nov 20th, 2014

The first one is not. HBr is strong acid, NaBr is neutral salt. So the combination could not become a buffer.

The second pair could work as a buffer since NH4Cl is weak acid and NH3 is its conjugate base. 

Nov 20th, 2014

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