
SOAL LARUTAN PENYANGGA KELAS XI-1
Authored by KIM JUNG
Chemistry
11th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
Perhatikan data uji pH beberapa larutan di samping ini!
Manakah yang merupakan larutan penyangga?
IV
III
II
V
2.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
Berdasarkan pasangan larutan berikut ini: I. 100 ml CH3COOH 0,1 M dan 50 ml NaOH 0,1 M II. 20 ml CH3COOH 0,1 M dan 100 ml NaOH 0,1 M III. 100 ml NH4OH 0,2 M dan 100 ml HBr 0,1 M IV. 50 ml HCl 0,1 M dan 50 ml NH4OH 0,2 M V. 50 ml HCl 0,1 M dan 50 ml NaOH 0,2 M Pasangan-pasangan yang pH-nya tidak akan berubah apabila ditambah sedikit larutan basa kuat atau asam kuat adalah ....
I, II dan III
I, III dan IV
III, IV dan V
I, IV dan V
3.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
pH = 4
pH = 5
pH = 6
pH = 2
4.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
Sebanyak 100 mL larutan NH4OH 0,2 M dicampur dengan 400 mL larutan (NH4)2SO4 0,1 M. Jika Kb NH4OH = 1 x 10-5, analisislah dan hitung pH campuran tersebut!
5 - log 4
6 - log 2,5
8 + log 2,5
9 + log 4
5.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
Sebanyak 23 gram HCOOH dilarutkan ke dalam 500 ml larutan HCOONa 0,1 M. Tentukan pH campurannya (Ka HCOOH = 2 x 10-4, Ar C = 12; Ar H =1; Ar O=16)?
2 - log 2
3 - log 2
4 - log 2
5 - log 2
6.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
Perbandingan volume NH4OH : (NH4)2SO4 = 3 : 1
Perbandingan volume NH4OH : (NH4)2SO4 = 1 : 3
Perbandingan volume NH4OH : (NH4)2SO4 = 2 : 1
Perbandingan volume NH4OH : (NH4)2SO4 = 3 : 2
7.
MULTIPLE CHOICE QUESTION
30 mins • 10 pts
Sebanyak 500 ml HNO2 1 M dicampurkan dengan 250 ml NaNO2 1 M hingga pH nya menjadi 4 – log 8. Tentukan Ka HNO2?
Ka HNO2 = 1 x 10-4
Ka HNO2 = 3 x 10-6
Ka HNO2 = 4 x 10-4
Ka HNO2 = 1 x 10-8
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