
Larutan Penyangga
Authored by Ella Zahara
Chemistry
11th Grade
Used 10+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apa itu "ASAM" menurut Bronsted - Lowry ?
Melepaskan Proton Dalam Air
Menangkap Proton Dalam Air
Pendonor Ion H+
Acceptor Ion H+
Acceptor Pasangan Elektron
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cermati Pernyataan Berikut:
1) memiliki pH = 7
2) mampu memerahkan lakmus biru
3) menyebabkan karat
4) terasa licin di tangan
pernyataan yang benar tentang asam adalah ...
1 dan 2
2 dan 3
2 dan 4
3 dan 4
4 saja
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
HCN
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Basa Konjugasi dari ion H2PO4- adalah ...
H3PO4
HPO42-
PO43-
H2O
H2PO4-
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
100 mL larutan Ca(OH)2 0,002M memiliki pH sebesar….
3 - log 2
3 - log 4
11
11 + log 4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
pH titik ekuivalen pada titrasi HCl dengan KOH adalah..
kurang dari 7
7
lebih dari 7
mendekati 7
menjauhi 7
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Obat maag sering mengandung aluminium hidroksida (Al(OH)₃) atau garam aluminium lainnya. Dalam lambung, garam aluminium dapat mengalami hidrolisis dan membentuk larutan yang bersifat basa.
Apa manfaat reaksi hidrolisis tersebut dalam tubuh?
Menetralkan kelebihan asam lambung dan meredakan nyeri maag
Meningkatkan produksi asam lambung agar makanan cepat tercerna
Menghasilkan CO₂ untuk membantu proses pencernaan
Membuat lambung bersifat asam agar bakteri mati
Meningkatkan pH darah secara langsung
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