Buffer
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Khansa Haida
Used 346+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Larutan berikut yang bukan merupakan larutan penyangga adalah….
Larutan CH3COOH dan Ca(CH3COO)2
Larutan NH4 dan (NH4)2SO4
Larutan NaH2PO4 dan Na2HPO4
Larutan NaOH dan Ca(CH3COO)2
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Campuran 200 mL NH4OH 0,4 M (Kb = 10-5) dengan 200 mL HCl 0,2 M akan membentuk larutan penyangga dengan pH…….
5
9
10
11
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Sebanyak 4 mL NH4OH 0,5M dicampur dengan 10 mL NH4Cl 0,1 M. Jika Kb = 2 x 10-5, maka pH capurannya adalah…….
9 + log 4
9 – log 4
8 + log 4
5 – log 4
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Jika 100 mL H2SO4 0,05 M dicampurkan dengan 100 mL NH4OH 0,1, jika Kb = 10-5, pH larutan tersebut adalah….
5
7
8
9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan data uji pH beberapa larutan!
Larutan yang merupakan larutan penyangga adalah ….
P dan Q
Q dan R
R dan S
R dan T
S dan T
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Terdapat larutan sebagai berikut:
25 mL CH3COOH 0,1 M
25 mL NaOH 0,1 M
25 mL KOH 0,1 M
25 mL NH4OH 0,3 M
25 mL HCl 0,2 M
Pasangan yang dapat membentuk larutan penyangga adalah ….
1 dan 2
1 dan 3
2 dan 4
3 dan 4
4 dan 5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
100 mL NH4OH 0,1 M (Kb = 10−5) dicampurkan dengan 50 mL HCl 0,1 M. Maka campuran mempunyai pH ...
5
6
7
8
9
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