Larutan Penyangga dan Larutan Hidrolisis

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Tari Kim
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sifat larutan garam yang terhidrolisis dapat dikelompokkan berdasarkan jenis asam dan basa pembentuknya. Jika suatu asam kuat di campur dengan basa lemah, maka akan terbentuk larutan garam yang bersifat . . .
Asam jika Ka > Kb
Basa jika Ka < Kb
Netral
Asam
Basa
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakan pH darah dalam tubuh makhluk hidup ?
5,35-6,45
5,73-6,73
6,35-6,45
6,35-7,45
7,35-7,45
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Larutan garam yang berasal dari asam lemah dan basa lemah akan bersifat asam, jika . . .
Ka > Kb
Ka < Kb
Kb > Ka
Ka = Kb
Kb = Ka
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
pH dari larutan garam NH4CN 0,2 M. diketahui Ka HCN = 4,0 x 10-10 mol/L, Kb NH3 = 1,8 x 10-5 mol/L adalah . . .
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Jika 5,35 NH4Cl (Mr = 53,5) dilarutkan dalam air hingga volumenya menjadi 250 mL, akan diperoleh larutan dengan pH . . . (Kb NH3 = 1 x10-5)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang benar tentang laruan penyangga adalah . . .
Mempertahankan pH system agar tetap
Memiliki komponen asam dan basa yang selalu berupa pasangan konjugasi
Mampu mengatasi penambahan asam dan basa dalam jumlah banyak
Memiliki kapasitas tertentu
Pengenceran tidak mengubah konsentrasi ion H+ dan OH-
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan penyangga dapat dibuat dengan pencampuran berikut, kecuali . . .
Asam lemah berlebih dan basa kuat
Basa lemah dan garamnya
Garam asam lemah berlebih dan asam kuat
Asam lemah dan basa lemah
Basa lemah dan asam konjugasinya
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