News-Larutan Penyangga
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Easy
Dwi Handayani
Used 6+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan tentang larutan penyangga yang paling tepat adalah....
larutan penyangga dapat dibuat dari campuran garam dengn basa kuat berlebih
larutan penyangga dapat dibuat dari campuran asam kuat berlebih dan basa lemah
larutan penyangga dapat dibuat dari campuran larutan asam lemah deanag basa konjugasi
pH larutan penyangga tidak mungkun berubah oleh penambahan asam dan basa
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan data percobaan berikut. Dari data tersebut yang termasuk larutan penyangga adalah....
I
II
III
IV
V
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diantara larutan berikut yang dapat membentuk larutan penyangga dengan pH < 7 adalah . . .
HCN dan NaCN
H2SO4 dan K2SO4
NH4OH dan NH4Cl
NaOH dan Na2SO4
HNO3 dan Mg(NO3)2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Penurunan pH darah karena turunnya kadar basa dalam darah yang terjadi saat pengangkutan CO2 disebut...
alkalosis
asidosis
simbiosis
metatosis
tidak ada jawaban yang benar
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebanyak 50 mL larutan CH3COOH 1 M dan 50 mL CH3COONa 1 M ditambahkan larutan HCl 1 M sebanyak 1 mL. Tentukan pH larutan setelah penambahan HCl 1 M (Ka = 1,5. 10-5)
5 + log 1,5
5 – log 1,5
4 – log 1,5
4 + log 1,5
3 – log 1,5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika larutan buffer yang mengandung 0,4 mol NH4OH dan 0,2 mol NH4Cl ditambahkan ke dalamnya 100 mL HCl 1M, maka besarnya pH akhir campuran adalah ….(Kb NH4OH=10-5)
6 + log 5
8
8 + log 5
9
5
7.
DRAG AND DROP QUESTION
1 min • 1 pt
Larutan Penyangga ada 2 jenis yaitu .... (a) (b)
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