
Larutan Peyangga
Authored by Susi Indaharini
Chemistry
2nd - 5th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Perhatikan campuran larutan berikut. Campuran di bawah ini yang merupakan larutan penyangga adalah
HCl dan KCl
HCN dan NaCN
NH4OH dan NaOH
CH3COOH dan HCOONa
NaOH dan KCl
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Perhatikan campuran larutan berikut ini.
1) NH3 dan NH4Cl
(2) CH3COONa + HCN
(3) HCl + NH4Cl
(4) CH3COOH + CH3COONa
Campuran yang dapat membentuk larutan penyangga adalah…
(1) dan (2)
(1) dan (3)
(1) dan (4)
(2) dan (3)
(2) dan (4)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Campuran yang terdiri dari 100 mL HCN 0,1 M (Ka = 2 x 10-5) dan 100 mL KCN 0,2 M akan memiliki pH sebesar….
9 + log 2
9 + log 2
5 + log 2
5
6
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Pernyataan yang benar tentang larutan penyangga adalah ….
mempertahankan pH sistem agar tetap
memiliki komponen asam dan basa yang selalu berupa pasangan konjugasi
mampu mengatasi penambahan asam dan basa dalam jumlah banyak
memiliki kapasitas tertentu
pengenceran tidak mengubah konsentrasi ion H+ dan OH–
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan penyangga dapat dibuat dengan pencampuran berikut, kecuali ….
asam lemah berlebih dan basa kuat
basa leh daan garamnya
garam asam lemah berlebih dan asam kuat
asam lemah dan basa lemah
basa lemah dan asam konjugasinya
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Campuran larutan di bawah ini yang dapat membentuk campuran penyangga adalah ….
larutan HCl dengan larutan NH4Cl
larutan CH3COOH dengan larutan C6H5COOK
larutan C2H5OH dengan larutan C2H5ONa
larutan Ca(OH)2 dengan larutan CaCl2
larutan HCOOH dengan larutan HCOONa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan larutan berikut ini yang menghasilkan larutan penyangga adalah ….
100 mL NH4OH 0,2 M + 100 mL HCl 0,1 M
100 mL NH4OH 0,2 M + 100 mL HCl 0,3 M
100 mL NaOH 0,2 M + 100 mL CH3COOH 0,2 M
100 mL NaOH 0,2 M + 100 mL HCN 0,1 M
100 mL NaOH 0,2 M + 100 mL HCN 0,2 M
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