
Kekuatan Asam basa dan pH larutan
Quiz
•
Chemistry
•
12th Grade - University
•
Practice Problem
•
Hard
eny atminiati
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Pada suhu 250C air mengandung [H+] = [OH-]. Jika pada suhu tetap, ke dalam air ditambah cairan asam, pernyataan berikut yang benar adalah ....
[H+]< [OH-]
[H+] = [OH-]
[H+]> [OH-]
Terbentuk larutan encer.
Nilai Kw berubah
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kekuatan asam basa dibedakan menjadi kategori asam kuat, asam lemah, basa kuat dan basa lemah. Kekuatan asam ini dibedakan berdasarkan ...
derajat ionisasi
konsentrasi
derajat ionisasi dan konsentrasi
nilai Ka
nilai Kb
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam 100 ml air ditambah 1 ml NaOH 0,1M. Maka adanya butiran NaOH dalam air menyebabkan…..
peningkatan derajat ionisasi air
nilai Kw berkurang
nilai Kw bertambah
[OH-] berkurang
[OH-] bertambah
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui beberapa larutan asam:
1. HCl
2. H2SO4
3. HNO3
4. HBr
5. HI
Jika larutan tersebut memiliki konsentrasi sama, larutan yang memiliki [H+] Terbesar adalah ....
1
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika Ka CH3COOH = 10-5 , konsentrasi H+ dalam larutan CH3COOH 0,1 M adalah ....
10-7
10-6
10-4
10-3
10-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zat berikut yang dalam larutannya bukan termasuk asam lemah adalah ....
asam asetat
asam nitrit
asam nitrat
asam florida
asam nitrat
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 1 liter Ca(OH)2 dengan konsentrasi 0,005 M. Larutan tersebut memiliki pH..... (ArH = 1,0 = 16, Ca = 40)
10 – log 2
12 + log 5
12 - log 5
12
13
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