Larutan Buffer
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Fajriatus Samsiyah
Used 110+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
campuran berikut ini yang dapat membentuk larutan penyangga adalah...
100 mL NaOH 0,1 M + 100 mL HCl 0,1 M
100 mL NaOH 0,1 M + 100 mL NaCN 0,1 M
100 mL NaCN 0,1 M + 100 mL HCN 0,1 M
100 mL NH4OH 0,1 M + 50 mL H2SO4 0,1 M
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diantara campuran berikut, yang adapat membentuk larutan penyangga adalah ...
NH4OH dan NH4Cl
KOH dan KCl
HBr dan NaBr
HCl dan NH4Cl
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diantara larutan berikut yang nilai pHnya relatif tetap jika diencerkan atau ditambah sedikit asam atau basa adalah ...
NaCl dan HCl
H2SO4 dan K2SO4
NH3 dan NH4Br
NaOH dan HNO3
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Untuk membentuk larutan penyangga dengan pH 5 maka 100 mL larutan HCN 0,2 M harus dicampur dengan larutan NaOH 0,1 M sebanyak .... ( Ka HCN = 10-5)
100 mL
150 mL
200 mL
250 mL
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Campuran berikut yang dapat menjadi larutan penyangga adalah...
100 mL NaOH 0,1 M + 100 mL HCl 0,2 M
100 mL NaOH 0,1 M + 100 mL HCN 0,1 M
100 mL NH4OH 0,1 M + 100 mL NH4Cl 0,1 M
100 mL H2SO4 0,1 M + 100 mL NH4OH 0,2 M
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Larutan NH4OH 0,2 M sebanyak 50 mL dicampur dengan 100 mL HCl 0,05 M. Jika Kb NH4OH = 10-5, maka pH larutan yang terbentuk adalah ...
5 - log 2
5
5 + log 2
9
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sebanyak 0,1 mol NH4OH (kb = 10-5) dicampurkan dengan 0,05 mol NH4Cl hingga volume 1 L. PH larutan yang dihasilkan adalah ...
5
5 + log 2
5 - log 2
9 + log 2
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