
SOAL KIMIA KELAS XI BUFFER
Authored by Rizzani Muttaqiinah
Chemistry
11th Grade
Used 13+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Pernyataan yang benar mengenai larutan buffer adalah ….
mempertahankan pH sistem agar tetap
memiliki komponen asam atau basa yang selalu berupa pasangan konjugasi
mampu mengatasi penambahan asam dan basa dalam jumlah banyak
memiliki kapasitas tertentu
pengenceran tidak mengubah konsentrasi H+ dan OH-
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Yang merupakan larutan buffer adalah ….
CH3COOH/HCOOH
HCOO-/CH3COO-
HCl/Cl-
NH3/NH4OH
HOCl/OCl-
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Pada penambahan sedikit basa pada larutan HOCl/OCl- akan menyebabkan ….
[HOCl] bertambah
[OCl-] tetap
pH sistem tetap
[HOCl] dan [OCl-] bertambah
Larutan menjadi basa
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Larutan buffer dapat dibuat dengan mencampurkan larutan-larutan berikut, kecuali ….
asam sulfat dan natrium sulfat
amonium hidroksida dan amonium nitrat
amonium hidroksida dan ammonium sianida
asam asetat dan natrium asetat
asam sianida dan kalium sianida
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Berdasarkan data tersebut, yang merupakan larutan buffer adalah ….
I
I dan II
II dan IV
II dan V
IV dan V
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Penyangga/buffer alami yang terdapat di dalam darah di antaranya ….
trombosit
fibrinogen
hemoglobin
sel darah putih
sel darah merah
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Larutan buffer basa terdiri dari ….
larutan garam
basa kuat dan asam kuat
basa kuat dan asam lemah
basa kuat dan konjugatnya
basa lemah dan konjugatnya
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