Larutan Penyangga dan Hidrolisis
Quiz
•
Chemistry
•
11th Grade
•
Medium
Suhardi S.Pd
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diantara campuran berikut yang membentuk larutan buffer adalah....
HCldan NH4Cl
NaOH dan CH3COONa
HBr dan NaBr
KOH dan dan KCl
NH4OH dan NH4Cl
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Campuran berikut yang dapat membentuk larutan penyangga adalah....
50 mL NaOH 0,1M + 50 mL HCl 0,1M
50 mL NaOH 0,1M + 100 mL HCN 0,1M
100 mL NaCN 0,1M + 100 mL HCl 0,1M
25 mL H2SO4 0,2M + 50 mL NH4OH 0,1M
25 mL H2SO4 0,2M + 50 mL Na2SO4 0,1M
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 100 mL HCN 0,1M dicampur dengan 50 mL KCN 0,2M. 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
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika sebanyak 100 mL NaOH 0,1M dicampurkan dengan 150 mL CH3COOH 0,1M (Ka=1,76x10-5). Campuran tersebut memiliki PH....
12 + log 1,76
8 + log 8,8
8 - log 8,8
6 + log 8,8
6 - log 8,8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hasil pencampuran asam propionat 0,2M yang harga Ka=2x10-5 dengan natrium propionat 0,5M menghasilkan larutan dengan PH = 5. Perbandingan volume asam propionat dengan natrium propionat adalah....
7 : 4
5 : 4
3 : 4
1 : 4
4 : 3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan yang dibuat dengan mencampurkan 60 mL larutan NH3 0,1M (Kb= 1,8 x 10-5) dengan 40 mL larutan NH4Cl 0,1M mempunyai PH....
5 - log 2,7
5 + log 1,8
9 - log 2,7
9 + log 2,7
12 - log 5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan NH3 0,4M (Kb= 1x10-5) sebanyak 200 mL dicampur dengan 200 mL larutan HCl 0,2M menghasilkan larutan yang memiliki PH....
11
9
8
5
4
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