Tes Formatif Hidrolisis Garam

Quiz
•
Chemistry
•
11th Grade
•
Hard
Anggun Ardalita
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan CH3COONH4 0,01 M jika Ka CH3COOH = 10^-6 dan Kb NH4 = 10^-5 , larutan
garam ini memiliki nilai pH sebesar ....
8,5
7,5
6,5
5,5
4,5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bila Ka CH3COOH = 1 x 10–5, maka pH larutan Ba(CH3COO)2 0,1 M adalah ….
1
5 – log 1,4
9
9 – log 1,4
9 + log 1,4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak p gram CH3COONa dilarutkan dalam satu liter air menurut persamaan reaksi :
CH3COO- + H2O ==> CH3COOH + OH-
Jika Ka CH3COOH = 1 x10^-5 dan pH larutan yang terbentuk sebesar 9, maka banyaknya p garam yang harus dilarutkan adalah . . . .g
(Ar C = 12, O= 16, H = 1 dan Na= 23)
A. 0.82
B. 1.64
C. 8.20
D. 6.4
E. 18.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tabel hasil pengujian larutan yang dibuat siswa dari hasil percobaannya sebagai berikut ….
a
b
c
d
e
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1- log 5
1 + log 5
5 - log 1
2 + log 3
2 - log 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH dari larutan garam NH4Cl 0,2 M jika diketahui Kb NH3 = 1,8 x 10-5 mol/L adalah . . . .
a
b
c
d
e
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH dari larutan yang terbentuk pada hidrolisis garam NaCN 0,01 M, jika diketahui Ka HCN = 1 x 10-10 adalah . . . .
9
10
11
12
13
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