REMIDI PH PENYANGGA DAN TITRASI
Quiz
•
Chemistry
•
11th Grade
•
Medium
Teti Sudiyarti
Used 24+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Campuran larutan berikut bersifat buffer, kecuali....
CH3COOH dan CH3COOK
H2CO3 dan NaHCO3
NH3 dengan NH4Cl
HCl dengan NaCl
H3PO4 dengan NaH2PO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan penyangga dapat dibuat dengan pencampuran berikut, kecuali ….
. asam lemah berlebih dan basa kuat
basa lemah dan garamnya
asam lemah berlebih dengan basa kuat
asam lemah dan basa lemah
basa lemah dan asam konjugasinya
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Campuran yang menghasilkan buffer asam adalah…
100 mL HCN 0,1 M + 100 mL NaOH 0,1 M
100 mL HCN 0,2 M + 100 mL NaOH 0,1 M
200 mL HCN 0,1 M + 100 mL NaOH 0,2 M
200 mL HCl 0,2 M + 100 mL KOH 0,1 M
100 mL HCl 0,2 M + 100 mL NH4OH 0,1 M
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I dan II
II dan III
III dan IV
I dan IV
II dan IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 100 mL CH3COOH 0,2 M (Ka=10-5) dicampur dengan 50 mL CH3COONa 0,4 M maka pH larutan penyangga yang terjadi adalah….
4
5
6
7
9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika ke dalam 50 mL NH3 0,1 M (Kb=10-5) dicampur dengan 50 mL (NH4)2SO4 0,005 m maka pH campuran adalah….
11
9
5
4
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Besarnya konsentrasi ion H+ pada larutan yang mengandung asam propionate 0,1 mol (Ka=10-5) dan natrium propionate 0,01 mol adalah…
10-3
10-4
10-5
10-6
10-7
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