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Pretest pH asam-basa kuat

Authored by Mega Febriani

Chemistry

11th Grade

Used 2+ times

Pretest pH asam-basa kuat
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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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