hidrolisa garam
Authored by Ongko Sumedi
Chemistry
11th Grade
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
pH dari larutan garam NH4CN 0,2M. Diketahui Ka HCN = 4,0 x 10-10 mol/L, KbNH3 = 1,8 x 10-5 mol/L adalah …..
8,287
8,227
8,872
8.827
6.48
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika suatu asam kuat dicampur dengan basa lemah, maka akan terbentuk larutan garam yang bersifat
Asam jika Ka > Kb
Basa jika Ka < Kb
Netral
Asam
basa kuat
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
pH dari larutan garam NH4Cl 0,2 M jika diketahui Kb NH3 = 1,8 x 10-5 mol/L adalah . . . .
4,74
4,82
4.98
5,26
7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika Ka (CH3COOH) = 1 X 10-5 maka pH larutan CH3COONa 0,1 M adalah
3
9
5
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika Kb (NH3) = 1 x 10-5, pH larutan NH4Cl 0,1 M adalah
9
5
12
7
10
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Terdapat 1,0 L larutan garam NH4CH3COO 0,25 M. Diketahui Ka CH3COOH = 1,75 x 10-5 mol/L dan Kb NH3 = 1,8 x 10-5 mol/L berapakah nilai tetapan hidrolisis adalah .
5,13 x 10-5
4,72 x 10-5
8,31 x 10-5
3.17 10-5
4,12 x 10-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH dari larutan yang merupakan campuran dari 100mL CH3COOH 0,2 M dan 100 ml NaOH 0,2 M , jika Ka CH3COOH = 10-5 adalah
5
9
8
6
7
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