Asam Basa dan pH
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
wawan sunarwan
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai pH dari larutan H2SO4 0.05 M adalah …..
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui larutan NaOH 0,1 M, maka nilai pH dari larutan tersebut adalah … …..
1
log 2
2
12
13
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Asam lemah HX 0.2 M mempunyai nilai pOH = 9, maka nilai tetapan asam dari HX adalah …..
2 x 10-20
4 x 10-20
5 x 10-20
4 x 10-10
5 x 10-10
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan A 0,1 M di ukur dengan pH meter menunjukkan skala 9, maka larutan berikut yang sesuai adalah ….
NaOH 0,1 M
NaCl 0.1 M
NH3 0.1 M dengan Kb= 1 x 10-9
HCN 0.1 M dengan Ka = 1 x 10-5
HCl 0.00001 M
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 3,7 gram Ca(OH)2 dilarutkan dalam 5 L air. Larutan tersebut memiliki pH sebesar ...
(ArCa = 40, O = 16, dan H = 1)
2 – log 2
2 + log 2
12 + log 1
12 – log 2
12 + log 2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu obat baru yang diperoleh dari biji tanaman ternyata berupa basa organik yang lemah, bila 0,100 M larutan obat tersebut dalam air mempunyai pH = 11 maka Kb obat tersebut adalah . . .
10-2
10-3
10-4
10-5
10-6
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan Ba(OH)2 0,005M memiliki pH yang sama dengan ....
0,005 M KOH
0,01 M NaOH
0,01 M NH4OH
0,001 M Ca(OH)2
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