Larutan penyangga
Quiz
•
Chemistry
•
12th Grade
•
Medium
Dina Afrianti
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Komponen larutan penyangga terdiri dari
Asam kuat dan basa kuat
Asam kuat dan basa kinjugasi
Basa lemah dan basa konjugasi
Asam lemah dan basa konjugasi
Asam lemah dan asam konjugasi
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diantara campuran dibawah ini yang membentuk larutan penyangga adalah...
NH4OH dan NaCl
NH4OH dan CH3CooNa
CH3COOH dan CH3COONa
H2CO3 dan KCN
H2S dan HCN
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Campuran larutan berikut ini yang membentuk larutan penyangga adalah...
50ml CH3COOH 0,2M + 50ml LiOH 0,1M
50ml CH3COOH 0,2M + 100ml LiOH 0,1M
50ml HBr 0,2M + 100ml NH3 0,1M
50ml HI 0,2M + 50ml NH3 0,1M
50ml HCl 0,2M + 50ml NaOH 0,1M
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Penambahan sedikit HCl ke dalam campuran NH4OH dengan NH4Cl tidak mempengaruhi pH karena...
Akan menambah [H+]
Akan mengurangi [OH-]
[NH4OH] bertambah banyak
HCl bereaksi dengan NH4OH
[NH4Cl] berlurang banyak
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan berikut yang tidak benar tentang larutan penyangga adalah...
Memiliki pH yang konstan
pH nya tidak berubah dengan penambahan sedikit asam dan basa
pHnya tidak dipengaruhi oleh pengenceran
pH selalu sama dengan pKa dan pKb
pHnya tidak dipengaruhi oleh CO2 di udara
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
yang merupakan larutan penyangga adalah...
CH3COOH/ CHOOH
CHOO- / CH3COO-
NH3/NH4OH
HOCl/ OCl-
HCl/ Cl-
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada penambahan sedikit basa pada larutan penyangga HOCl / OCl- menyebabkan...
[HOCl] berkurang
[OCl-] tetap
[HOCl]/[OCl-] bertambah
pH sistem tetap
larutan menjadi basa
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