PH larutan NH4OH 0,1 M (Ka = 10-5 ) adalah ….
Jawaban Terkonfirmasi
Jawaban:
pH larutan NH4OH = 11
Penjelasan:
Larutan NH4OH adalah larutan basa lemah
Ralat Kb = 10-5
[OH-] = √Kb Mb
[OH-] = √10-5 x 0,1
[OH-] = √10-6
[OH-] = 10-3 M
pOH = – log [OH-]
pOH = – log 10-3
pOH = 3
pH = 14 – pOH
pH = 11