Explain hydrobromic acid to one of the bases

Reference no: EM13550193

A buffer is to be made with a pH of 8.50 by adding hydrobromic acid to one of the following bases. Which base is the best choice for making this buffer?

pyridine (Kb=1.7x10-9)
morpholine (Kb=3.1x10-6)
ethylenediamine (Kb1=8.5x10-5)
hydroxylamine (Kb=9.1x10-9)
ammonia (Kb=1.8x10-5)
methylamine (Kb=4.4x10-4)

Which one is it and why?

Reference no: EM13550193

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