Remedial kelas 11 kimia

Quiz
•
Chemistry
•
11th Grade
•
Hard
Debby Andrianto
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nilai pH larutan (NH4)2SO4 0,05 adalah . . . . ( Kb NH3 = 10-5
5
6 - log 5
7- log 5
6 + log 5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Terdapat beberapa larutan berikut
(1) 100 mL HCN 0,5 M
(2) 100 mL KOH 0,5 M
(3) 50 mL NaOH 1 M
(4) 50 mL HCOOH 0,5 M
Pasangan senyawa yang dapat membentuk garam hidrolisis adalah . . . .
2 dan 4
3 dan 4
1 dan 4
1 dan 3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nilai pH larutan obat batuk diatur dengan menambahkan garam yang dibuat dari asam klorida dan amonia (Kb = 10–5). Jumlah garam yang ditambahkan ke dalam 300 mL obat batuk tersebut agar pH = 6 adalah .....
0,3 mmol
3 mmol
30 mmol
0,3 mol
3 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pencampuran asam basa yang menghasilkan garam yang terhidrolisis sebagian dan bersifat basa adalah campuran ekuivalen larutan . . . .
HCl dengan NaOH
HCl dengan NH3
HCOOH dengan KOH
CH3COOh dengan NH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan penyangga dalam darah.....
H2CO3/HCO3−
H2PO4−/HPO42−
CH3COOH dan CH3COO−
CH3COONa dan CH3COO−
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tentukan pH larutan yang terjadi jika 200 mL asam asetat 0,4 M dengan 100 mL larutan NaOH 0,4 M dengan Ka asam asetat = 10-5 !
Buffer
Hidrolisis Garam
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