PH Larutan Penyangga
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Ritta A
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikanlah pasangan senyawa dibawah ini :
1. NH3 dan NH4Cl
2. Ba(OH)2 dan BaCO3
3. H3PO4 dan KH2PO4
4. HCN dan NaCN
5. HNO3 dan NaNO3
Pasangan yang merupakan larutan penyangga terdapat pada nomor . . . .
1,2
1,4
2,3
3,4
4,5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diantara larutan berikut yang dapat membentuk larutan penyangga dengan pH < 7 adalah . . . .
HCN dan NaCN
H2SO4 dan K2SO4
NaOH dan Na2SO4
NH4OH dan NH4Cl
HNO3 dan Mg(NO3)2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 100 mLnlarutan CH3COOH 0.2 M dicampur dengan 100 mL larutan NaOH 0.1 M. Jika Ka CH3COOH = 1 x 10^-5, pH larutan setelah dicampurkan adalah. . . . .
2
4
5
6
9
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diantara campuran di bawah ini termasuk larutan penyangga, kecuali ….
NH4OH dan NH4Cl
CH3COOH dan CH3COONa
Ca(OH)2 dan CaCl2
HCN dan KCN
H2CO3 dan KHCO3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fungsi sistem larutan penyangga dalam darah adalah mempertahankan…..
Kadar Hb darah
Sel darah merah dari darah
fibrionogen darah..
Derajat keasaman darah
Sel darah putih dari darah
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Direaksikan beberapa larutan seperti berikut.
(1) 100 ml asam asetat 0,1 M dan 100 ml NaOH 0,1 M
(2) 100 ml asam asetat 0,2 M dan 100 ml NaOH 0,1 M
(3) 100 ml asam klorida 0,1 M dan 100 ml NH4OH 0,1 M
(4) 100 ml asam klorida 0,05 M dan 100 ml NH4OH 0,1 M
Campuran di atas yang membentuk larutan penyangga adalah
(1), (2), dan (3)
(1) dan (3)
(2) dan (4)
(4)
semua larutan
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Garam berikut ini yang berasal dari asam lemah dan basa kuat adalah ...
amonium asetat
amonium klorida
natrium asetat
natrium klorida
kalium klorida
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