Pretest pH asam-basa kuat
Quiz
•
Chemistry
•
11th Grade
•
Hard
Mega Febriani
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 15 pts
Rumus untuk menentukan derajat keasaman adalah.......
a. pH = - log [H+]
b. pH = √Ka x M
c. pH + pOH = 10-14
pH = 14 - pOH
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Tentukan pH dari larutan H2SO4 0,02 M adalah........
a. 2 + log 3
b. 2 - log 4
c. 3 - log 5
d. 1 + log 3
3.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Hitunglah pH dari larutan Ca (OH)2 0,04 M adalah.......
a. 3 x log 4
b. 4 - log 2
c. 2 - log 8
d. Log 2 x 10-4
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Tentukan pH dari larutan KOH 0,03 M adalah..........
a. Log 3 x 10-4
b. 2 + log 3
c. 2 - log 5
d. 2 - log 3
5.
MULTIPLE CHOICE QUESTION
20 sec • 15 pts
pH suatu larutan jika diukur dengan pH meter adalah 6,5 Sifat larutan tersebut adalah.........
a. Basa
b. Asam
c. Netral
d. Garam
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