Question

25. In what volume ratio NH4 CI and NH4OH having 1M
concentration should be mixed to get a buffer
solution of pH = 9.26? (PK, of NH4OH = 4.74)
(1) 1 : 2.5
(2) 2.5 : 1
(3) 1:1
(4) 3.5: 1​

Answer 1

Answer:

2.5:1

Explanation:

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