UJIAN SUMATIF KIMIA KELAS XI IPA
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Mitrawaty Lamusu
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40 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. Derajat keasaman dari larutan 100 ml H2SO4 0,02 M adalah .....
A. 2 – log 4
B. 2 + log 2
C. 2 + log 4
D. 12 + log 4
E. 13
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2. Larutan basa lemah NH4OH 0,1 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah .....
A. 11
B. 6
C. 3
D.8
E.7
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3. Larutan CH3COOH 0,01 M ,Harga Ka = 1,8 x 10-5, nilai kosentrasi ion H+ larutan tersebut adalah .....
A. 8 x 10-7
B.4,2 x 10-6
C.4,2 x 10-4
D.2, 4 x 10-6
E.2, 4 x 10-4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4.Hitunglah pH larutan jika 17,1 gram Ba(OH)2 dilarutkan dalam air sehingga volume larutan menjadi 500 mL. (Ar Ba = 137; O = 16; H = 1)
4.Hitunglah pH larutan jika 17,1 gram Ba(OH)2 dilarutkan dalam air sehingga volume larutan menjadi 500 mL. (Ar Ba = 137; O = 16; H = 1)
A. 13 + log 2
B. 13
C. 2
D. 1
E. 1-log 2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5.Larutan dengan pH = 12 dibuat dengan melarutkan a gram NaOH (Mr = 40) ke dalam air hingga volum larutan 500ml. besarnya a adalah .....
A. 4
B. 2
C. 2
D. o,2
E. 0,1
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6.Terdapat 100 mL larutan NH4OH 0,1 M, Kb NH4OH = 10-5. Maka konsentrasi ion OH– adalah .....
6.Terdapat 100 mL larutan NH4OH 0,1 M, Kb NH4OH = 10-5. Maka konsentrasi ion OH– adalah .....
A. 10-3 M
B. 10-4 M
C. 10-5 M
D. 10-6 M
E. 10-7 M
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
7.pH larutan yang dibuat dari 0,001 mol KOH dalam 10 L larutannya adalah .....
A. 7
B. 8
C. 9
D. 10
E. 11
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