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Answer to Question #86534 in General Chemistry for McKenna
Question #86534
I need a buffer with a pH o 8.50. I will make it using the weak base ammonia (NH3) and form it's conjugate acid ammonium chloride (NH4CL). The concentration of ammonia is 0.050M. What concentration of the conjugate acid is needed to make this buffer? The base dissociation constant for ammonia is 1.8 x 10^-5.
Expert's answer
Answer on Question #86534 Chemistry / General Chemistry
The general formula for buffers is:
Answer0.285 M solution of the conjugate acid is needed to make the buffer.
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