B.
Bersifat basah makan
[OH-]=√kw.[a+]/ka
=√10-¹⁴.4.10-¹/1.10-5
=√4.10 pangkat -10 = 2.10 pangkat-5
Poh=5- log2
Ph= 9+log2
D.
Bersifat asam maka
[H+]=√kw.[B-]/kb =√10-¹⁴.3.10-²/1.10-5
=√3.10-11 =√0.3 kali 10-6 ( akar hanya milik 0.3)
PH=6-log√0.3
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B.
Bersifat basah makan
[OH-]=√kw.[a+]/ka
=√10-¹⁴.4.10-¹/1.10-5
=√4.10 pangkat -10 = 2.10 pangkat-5
Poh=5- log2
Ph= 9+log2
D.
Bersifat asam maka
[H+]=√kw.[B-]/kb =√10-¹⁴.3.10-²/1.10-5
=√3.10-11 =√0.3 kali 10-6 ( akar hanya milik 0.3)
PH=6-log√0.3