
BUFFER DAN HIDROLISIS
Authored by Guru SMA
Chemistry
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 10 mol HCN dicampur dengan 10 mol KCN. Jika Ka HCN= 4x10-5 maka campuran tersebut mempunyai pH ....
4 + log 5
5 + log 4
5 - log 4
9 + log 4
9 - log 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Garam amonium klorida (NH4Cl) dilarutkan dalam air. Pernyataan berikut yang benar adalah....
larutan bersifat asam, PH < 7
larutan bersifat basa, PH < 7
larutan bersifat asam, PH > 7
larutan bersifat basa, PH > 7
larutan bersifat netral, PH = 7
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1.Diketahui beberapa larutan berikut:
1) Na2S
2) KCN
3) NH4Cl
4) Al2(SO4) 3
5) Ba(NO3)2
Pasangan garam yang bersifat basa ditunjukkan oleh nomor….
A.1 dan 2
B.1 dan 3
C.2 dan 5
D.3 dan 4
E.4 dan 5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pernyataan berikut yang tidak benar mengenai larutan penyangga adalah...
memiliki pH yang konstan
pH-nya tidak berubah dengan penambahan sedikit asam atau basa
pH-nya tidak dipengaruhi oleh pengenceran
pH selalu sama dengan pKa atau pKb
pH-nya tidak dipengaruhi oleh CO2 di udara
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika Kb(NH3) = 1 x 10-5, pH larutan NH4Cl 0,1 M adalah ....
3
9
11
13
14
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Larutan Penyangga adalah ....
7.
DRAG AND DROP QUESTION
1 min • 1 pt
Larutan Penyangga ada 2 jenis yaitu .... (a) (b)
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