Larutan Penyangga
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
Sri Suryani
Used 166+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui larutan:
1. C6H5COOH dan C6H5COOK
2. NH3 dan NH4I
3. H2SO4 dan (NH4)2SO4
4. Mg(OH)2 dan NH4OH
5. NaOH dan NaCl
1 dan 2
1 dan 3
2 dan 3
3 dan 4
4 dan 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Campuran berikut yang menghasilkan larutan penyangga adalah ...
50 mL NaOH 0,2 M dan 50 mL CH3COOH 0,1 M
35 mL NaOH 0,2 M dan 70 mL NH3 0,1 M
40 mL NaOH 0,1 M dan 60 mL NH3 0,1 M
50 mL NaOH 0,1 M dan 50 mL CH3COOH 0,2 M
50 mL NaOH 0,2 M dan 70 mL CH3COOH 0,1 M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan senyawa di bawah ini merupakan campuran penyangga, kecuali ...
CH3COOH dengan CH3COONH4
NH3 dengan NH4Cl
HF dengan KF
NaHCO3 dengan Na2CO3
HCN dengan KCN
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu larutan dibuat dari asam klorida (HCl) sebesar 0,1 M sebanyak 10 mL direaksikan dengan larutan NH4OH 0,1 M sebanyak 20 mL. Jika diketahui Kb = 1.10-5 nilai pH campuran larutan adalah ....
5
5 - log 4
9
9 - log 4
10
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perbandingan volume CH3COOH 0,1 M dan NaOH 0,1 M yang harus dicampurkan untuk membuat laputan penyangga dengan pH = 6 adalah ...
2 : 1
11 : 1
1 : 10
11 : 10
10 : 1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Volume HCl 0,1 M yang harus direaksikan dengan 200 mL NH4OH 0,2 M (Kb = 1 x 10-5) agar menghasilkan larutan yang pH-nya = 9 adalah ...
50 mL
100 mL
200 mL
250 mL
450 mL
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
pH larutan yang terjadi dari campuran 100 mL LOH 0,2 M dengang 100 mL L2SO4 0,1 M dengang Kb LOH = 1 x 10-5 adalah ...
5 - log 2
5
7
9
9 + log 2
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