Question

how would you prepare an NH4CL.NH3 buffer that has a PH of 9.00​

Answer 1

Answer:

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Answer 2

Answer:

Boric Buffer pH 9.0; Borate Buffer pH 9.0: Dissolve 6.20 g of boric acid in 500 ml of water, adjustto pH 9.0 with] M sodium hydroxide (about 41.5 ml) and dilute with water to 1000 ml.