
LARUTAN (ASAM - BASA, BUFFER, HIDROLISIS)
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Chemistry
11th - 12th Grade
Used 9+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tentukan pH dari 200ml CH3COOH 0,1 M yang dicampur dengan 100 ml CH3COOK 0,2 M, jika Ka=
5
4
2 - log 5
2
2 + log 5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika 400ml CH3COOH 0,1M dicampur dengan 400ml CH3COONa 0,1 M menghasilkan pH=5 , Berapa nilai Ka CH3COOH ?
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?
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?
5.
MULTIPLE CHOICE QUESTION
1 min • 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.
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 …..
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….
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