Remidi PH Hidrolisis
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
titik kurniawati
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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sebanyak 2,64 gram kristal (NH4)2SO4 dilarutkan dalam air, sehingga volumenya menjadi 1 liter. (Ar N = 14 dan S = 32), maka besarnya pH larutan adalah .... (Kb = 10–5)
5,5 + log 2
5 – log 2
5,5 – log 2
8,5 + log 2
9 + log 2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Harga pH campuran dari 50 mL larutan NH3 0,2 M dan 50 mL larutan HCl 0,2 M adalah .... (Kb = 10–5)
4
5
6
9
10
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Besarnya pH larutan dari 100 mL CH3COOK 0,4 M (Ka = 10–5) adalah ....
5 – log 2
5
9
. 9 + log 2
10 + log 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan zat berikut yang dalam air mempunyai pH paling kecil adalah ....
CH3COONa
(NH4)2SO4
KCN
NaCl
CH3COONH4
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dalam larutan natrium asetat 0,1 molL–1 mengalami hidrolisis sebagai berikut. CH3COO– + H2O --> CH3COOH + OH– Jika Kh= 10–9, maka pH larutan tersebut adalah ....
3
5
7
9
11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Garam berikut yang mengalami hidrolisis sebagian adalah ....
natrium klorida
kalium nitrat
amonium asetat
kalium sulfat
kalium sulfida
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Barium asetat, Ba(CH3COO)2 seberat 2,55 gram dilarutkan dalam air sampai volumenya menjadi 500 cm3. Bila Ka = 10–5; Ar Ba = 137; C = 12; dan O = 16, maka pH larutan adalah ....
5
5,5 – log 2
8 + log 2
. 8,5 + log 2
9 + log 2
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