
asam basa 2 (susulan)
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Medium
Anik Rahmawati
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .
Meningkatkan [H+] bila dimasukkan kedalam H2O
Menurunkan [H+] bila dimaasukkan kedalam H2O
Meningkatkan [OH–] bila dimasukkan kedalam H2O
Menerima 1 H+ dari pasangan reaksinya
Memberi 1 H+ dari pasangan reaksinya
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Derajat keasaman dari larutan 100 ml H2SO4 0,02 M adalah . . . .
2 – log 4
2 + log 4
2 + log 2
12 + log 4
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
konsentrasi larutan HCl adalah 0,06 hitunglah konsentrasi H+
1,2
0,06
0,03
0,12
0,012
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan Ba(OH)2 memilki konsentrasi 0,4 M.Maka konsentrasi OH- adalah
0,4
0,2
0,8
1
1,2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH untuk larutan asam sulfat 0,05M adalah
1
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kertas lakmus biru akan berubah menjadi merah, bila dimasukkan ke dalam larutan…
Kalium hidroksida
Natrium klorida
Barium sulfat
Asam klorida
Natrium nitrat
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut konsep asam-basa Bronsted-Lowry dalam reaksi
NH3 + H2O → NH4+ + OH–
Dapat ditarik kesimpulan…..
Air adalah asam karena dapat menerima sebuah proton
Amonia dan air adalah pasangan asam-basa konjugat
NH3 dan NH4+ adalah pasangan asam-basa konjugat
NH3 adalah asam karena memberi sebuah proton
NH4+ dan OH– adalah basa kuat
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