
KIMIA SMA (AsamBasa, Buffer,Hidrolisis)- The Excellent Study
Authored by Hoo Alfando
Chemistry
10th - 12th Grade
Used 7+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan pHdari 200ml CH3COOH 0,1 M yang dicampur dengan100ml CH3COOK 0,2 M, jika Ka=10^-5
5
4
2-log 5
2
2+log5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika 400ml CH3COOH 0,1M dicampur dengan 400ml CH3COONa 0,1 M menghasilkan pH=5 , Berapa nilai Ka CH3COOH ?
2x10^-5
10^-5
3x10^-5
10^-2
2x10^-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
200 ml CH3COOH 0,1 M bereaksi dengan 100ml NaOH 0,1 M. Jika nilai Ka=10^-5 , berapa pH larutan penyangga?
2-log 5
2+log 5
5
5-log 2
4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Campuran 100ml NH3 0,2 M dengan 50 ml HCl 0,1 M menghasilkan pH=5. Tentukan nilai Kb?
10^-5
10^-9
1/2 x 10^-9
1/3 x 10^-9
1/2 x 10^-5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapa gram ammonium sulfat (NH4)2SO4 harus ditambahkan ke dalam 500ml larutan NH3 0,02 M untuk membuat larutan penyangga dengan pH =8? Kb NH3= 2x10^-5 ; Ar N=14, H=1, S=32, O=16.
10,2 gram
11,2 gram
12,2 gram
13,2 gram
14,2 gram
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Untuk membuat larutan penyangga yang mempunyai pH=4, ke dalam 100 ml larutan CH3COOH 0,5M (Ka= 10^-5) harus ditambah larutan CH3COONa 0,05 M sebanyak …..
100ml
50ml
10ml
5ml
1ml
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika 50ml larutan CH3COOH 0,1 M dicampurkan dengan 100ml CH3COONa 0,2 M (Ka CH3COOH = 1,8 x 10^-5), maka pH campuran adalah….
6-log 4,5
6-lo2,5
6
6+log 4,5
6+log 2,5
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