Basa konjugasi dari HCO3¯ adalah :
Quiz Kimia larutan

Quiz
•
Chemistry
•
12th Grade
•
Easy
Yuyun Gursida
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
CO2
CO32-
H2CO3
H2O
H+
2.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Di antara larutan berikut yang merupakan asam paling kuat adalah….
HF (Ka = 6,8 x 10-4)
CH3COOH (Ka = 1,7 x 10-5)
HClO (Ka = 5,8 x 10-5)
HCN (Ka = 5,5 x 10-10)
C6H3COOH (Ka = 6,8 x 10-6 )
3.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Sebanyak 3,4 gram Ba(OH)2 (Ar: Ba = 136, O = 16, H = 1) dilarutkan dalam 250 mL larutan maka harga pOH larutan tersebut adalah….
13 + log 1,6
12 + log 8
2 - log 16
2 - log 8
1 - log 1,6
4.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Harga pH dari asam etanoat 0,2 M (Ka = 2 × 10-5) adalah…
3 - log 2
1 - log 2
4 - log 4
2 - log 2
5 - log 2
5.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Sebanyak 0,1 mol CH3COOH terdapat dalam 1 L larutan jika Ka = 10-5 maka derajat dissosiasi larutan tersebut sebesar….
0,2
0,1
0,02
0,01
0,001
6.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Suatu indicator memberikan warna merah jika diteteskan pada larutan NaOH. Larutan di bawah ini akan menghasilkan warna yang sama jika diteteskan indikator yang sejenis, kecuali….
larutan sabun
larutan soda kue
larutan amoniak
pasta gigi
larutan cuka
7.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
pH 50 mL larutan (CH3COO)2Ca 0,025 M dengan Ka CH3COOH = 2,0 x 10-5, adalah….
5
5 - log 3
6 - log 5
8 + log 5
9 + log 5
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