Larutan Penyangga
Quiz
•
Chemistry
•
11th Grade
•
Medium
Vanantia Ashari
Used 31+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yang merupakan larutan penyangga adalah …
CH3COOH/CHOOH
CHOO–/CH3COO–
HOCl/OCl–
NH3/NHOH
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Campuran di bawah ini merupakan komponen larutan penyangga, kecuali ….
NH4Cl dan NH3
CH3COONa dan CH3COOH
CH3COOH dan NaOH
NaOH dan HCl
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ke dalam 1 liter larutan asam asetat 0,1 M yang pH-nya = 3 ditambahkan garam natrium asetat supaya pH-nya menjadi 2 kali semula. Ka asam asetat = 1 x 10-5. Garam natrium asetat yang ditambahkan itu sebanyak…
1 mol
0.1 mol
0.01 mol
0.001 mol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perbandingan volum larutan CH3COOH 0,1 M ( Ka = 1 x 10-5) dan NaOH 0,1 M yang harus dicampurkan untuk membuat larutan buffer dengan pH = 6 adalah…
1:1
1:2
10:11
11:10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan penyangga dalam air ludah adalah...
Penyangga karbonat
Penyangga fosfat
Penyangga hemoglobin
Tidak ada jawaban yang benar
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 50 mL larutan CH3COOH 0,2 M dicampurkan dengan 50 mL larutan CH3COONa sehingga diperoleh larutan buffer dengan pH = 4. Untuk membuat larutan buffer tersebut diperlukan konsentrasi CH3COONa sebesar…
0.01 M
0.02 M
0.05 M
1 M
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika ingin membuat larutan penyangga yang mempunyai pH = 4, ke dalam 100 ml larutan CH3COOH 0,5 M (Ka = 10-5) harus ditambah larutan CH3COONa 0,05 M sebanyak…
100 mL
50 mL
10 mL
1 mL
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