
hidrolisis garam dan larutan buffer
Authored by Henny KS
Chemistry
11th Grade
Used 32+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dibawah ini adalah campuran yang termasuk jenis larutan penyangga adalah
H2CO3 dan HCO3-
H2CO3 dan H2SO4
H2CO3 dan H2O
H2CO3 dan NaOH
HCO3- dan HSO4-
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Campuran larutan dibawah ini yang dapat membentuk larutan penyangga adalah...
150 ml NaOH 0,1 M + 150 ml HCl 0,1 M
0,01 M 100 ml CH3COOH 0,2 M + 100 ml NaOH 0,01 M
0,1 M 100 ml NH4OH 0,5 M + 100 ml HCl 0,5 M
200 ml CH3COOH 0,01 M + 200 ml NaOH 0,1 M
500 ml HCl 1 M + 500 ml NaOH 1 M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi sistem larutan penyangga dalam darah adalah mempertahankan…..
Derajat keasaman darah
Kadar Hb darah
Sel darah merah dari darah
Fibrionogen darah.
Sel darah putih dari darah
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Penyangga alami yang terkandung dalam darah adalah …
NH3 / NH4+
H3PO4 / H2PO4-
HCO3- / CO32-
H2CO3 / HCO3
CH3COOH / CH3COO-
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan buffer di bawah ini yang mempunyai pH = pKa adalah …
50 mL CH3COOH 0,1 M + 25 mL KOH 0,1 M
25 mL CH3COOH 0,1 M + 50 mL KOH 0,1 M
50 mL CH3COOH 0,1 M + 50 mL KOH 0,2 M
50 mL CH3COOH 0,1 M + 25 mL KOH 0,1 M
25 mL CH3COOH 0,1 M + 50 mL KOH 0,1 M
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan berikut yang tidak benar mengenai larutan penyangga adalah...
memiliki pH yang konstan
pH-nya tidak berubah dengan penambahan sedikit asam atau basa
pH-nya tidak dipengaruhi oleh pengenceran
pH selalu sama dengan pKa atau pKb
pH-nya tidak dipengaruhi oleh CO2 di udara
7.
MULTIPLE CHOICE QUESTION
3 mins • 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)
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