
LARUTAN PENYANGGA
Authored by Ernita Aulia
Chemistry
11th Grade
Used 2K+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan grafik titrasi larutan asam asetat dengan larutan kalium hidroksida. Selama titrasi terjadi larutan penyangga. Larutan penyangga pada grafik ditunjukkan oleh huruf . . . .
P – Q
Q – T
T – R
R – S
Q – R
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pasangan reaksi yang menghasilkan campuran penyangga, adalah ….
(Ka CH3COOH=1,75 x 10-5)
50 mL CH3COOH 0,2 M dengan 50 mL larutan NaOH 0,2 M
10 mL CH3COOH 0,1 M dengan 10 mL CH3COONH4 0,05 M
10 mL CH3COOH 0,1 M dengan 10 mL Ca(OH)2 0,05 M
30 mL CH3COOH 0,1 M dengan 40 mL KOH 0,05 M
50 mL CH3COOH 0,05 M dengan 50 mL Ba(OH)2 0,03 M
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pasangan senyawa dibawah ini :
(1) HCO3- dengan Na2CO3
(2) HF dengan KF
(3) HPO42- dengan Na3PO4
(4) HNO2 dengan NaNO2
yang merupakan campuran penyangga adalah ….
1, 2, 3
1, 3
2, 4
4 saja
semua benar
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Terdapat beberapa larutan berikut:
(1) 25 mL NaOH 0,1 M;
(2) 25 mL HCN 0,2 M;
(3) 25 mL CH3COOH 0,1 M;
(4) 25 mL NH4OH 0,2 M; dan
(5) 25 mL HCl 0,2 M.
Pasangan senyawa yang dapat membentuk larutan penyangga adalah ....
(1) dan (2)
(1) dan (3)
(2) dan (4)
(3) dan (4)
(4) dan (5)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diberikan campuran dari beberapa larutan sebagai berikut:
(1) 200 mL CH3COOH 0,1 M dan 200 mL NaOH 0,1 M
(2) 200 mL CH3COOH 0,2 M dan 200 mL NaOH 0,1 M
(3) 200 mL NH4OH 0,1 M dan 200 mL HCl 0,1 M
(4) 200 mL NH4OH 0,1 M dan 200 mL HCl 0,05 M
Campuran yang membentuk larutan penyangga adalah...
1, 2, dan 3
1 dan 3
2 dan 4
4
1, 2, 3, dan 4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan data percobaan berikut. Dari data tersebut yang termasuk larutan penyangga adalah....
I
II
III
IV
V
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Larutan NH4OH 0,2 M (Kb =1,0 x 10-5) yang volumenya 45 mL dicampur dengan larutan (NH4)2SO4 0,05 M. Jika pH larutan setelah pencampuran adalah 9 + log 3, maka volume larutan (NH4)2SO4 adalah …. mL
45
30
25
20
15
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