
UH asam basa
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Medium
nelvi Keysha
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .
memberikan 1 H+ pada pasangan reaksinya.
zat yang menerima 1 H+ dari pasangan reaksinya.
Meningkatkan [OH–] bila dimasukkan kedalam H2O
Meningkatkan [H+] bila dimasukkan kedalam H2O
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kertas lakmus biru akan berubah menjadi merah, bila dimasukkan ke dalam larutan…
Kalium hidroksida
Natrium klorida
Barium sulfat
Asam klorida
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Derajat keasaman dari larutan 100 ml H2SO4 0,02 M adalah . . . .
a. 2 – log 4
b. 2 + log 4
c. 2 + log 2
d. 12 + log 4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah konsentrasi ion [OH–] dalam larutan jika konsentrasi H+ = 2 X 10-4 M (Diketahui Kw = 10-14)
a. 5 X 10-10
b. 5 X 10-18
c. 0,2 X 10-10
d. 0,2 X 10-8
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan asam lemah NH4OH 0,1 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah… . .
11
3
9
14
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
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 10-4
c. 4,2 x 10-6
d. 2,4 x 10-4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Asam HX 0,1 M mengalami ionisasi 1%, harga tetapan ionisasi HX adalah…..
a. 2 x 10-5
b. 1 x 10-5
c. 1 x 10-4
d. 1 x 10-2
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