

Larutan Penyangga (Buffer) dalam Kimia
Flashcard
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Taufik Gais
FREE Resource
Student preview

6 questions
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1.
FLASHCARD QUESTION
Front
Apa itu larutan penyangga?
Back
Larutan penyangga adalah larutan yang dapat mempertahankan pH meskipun ditambahkan sedikit asam atau basa.
2.
FLASHCARD QUESTION
Front
Sebutkan dua jenis larutan penyangga!
Back
1. Buffer Asam: mengandung asam lemah dan basa konjugasinya. 2. Buffer Basa: mengandung basa lemah dan asam konjugasinya.
3.
FLASHCARD QUESTION
Front
Apa yang terjadi pada pH larutan penyangga ketika sedikit asam ditambahkan?
Back
Ion H+ dari asam akan ditangkap oleh partikel zat terlarut, sehingga perubahan pH sangat kecil.
4.
FLASHCARD QUESTION
Front
Berikan contoh larutan penyangga asam!
Back
Contoh: CH3COOH (asam asetat) dan CH3COONa (natrium asetat).
5.
FLASHCARD QUESTION
Front
Apa yang dimaksud dengan Ka dalam larutan penyangga?
Back
Ka adalah tetapan ionisasi asam lemah.
6.
FLASHCARD QUESTION
Front
Bagaimana cara menghitung konsentrasi H+ dalam larutan penyangga asam?
Back
[H+] = Ka * (mol asam lemah / mol basa konjugasi)
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