
Kuis Farmasi Fisik - Larutan Buffer
Quiz
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Other
•
University
•
Medium
Muh. Fajar Fauzi
Used 6+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa definisi larutan buffer?
Larutan yang mengubah pH secara drastis
Larutan yang dapat mempertahankan pH terhadap penambahan sedikit asam atau basa
Larutan dengan pH netral
yang bersifat asam kuat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa tujuan dari larutan buffer?
Menetralisir asam
Menetralisir basa
Mempertahankan nilai pH tertentu
Mengubah pH menjadi netral
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa kombinasi penyusun larutan buffer asam?
Asam kuat dengan basa kuat
Asam lemah dengan basa lemah
Asam lemah dengan basa konjugasinya
Asam kuat dengan garamnya
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam kisaran pH berapa buffer efektif?
1-3
3-5
5-7
Ditentukan oleh Ka/pKa dan rasio pasangan konjugasi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa mekanisme kerja larutan buffer ketika ditambahkan asam kuat?
Mengubah larutan menjadi basa
Bereaksi dengan basa lemah menghasilkan asam lemah
Meningkatkan konsentrasi ion OH-
Menurunkan pH drastis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Penambahan basa kuat pada larutan buffer menghasilkan?
Asam lemah
Basa lemah
Asam kuat
Ion H+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan Prinsip Le Châtelier, larutan buffer bereaksi untuk...?
Menjaga kesetimbangan pH
Mengubah asam menjadi basa
Menghilangkan ion H+
Mengurangi pH larutan
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