
Larutan Penyangga
Authored by Siti Maftuha
Chemistry
12th Grade
Used 57+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan penyangga merupakan campuran dari …
Asam lemah dan garamnya
Asam lemah dan basa lemah
Asam lemah dan basa kuat
Asam kuat dan garamnya
Asam kuat dan basa kuat
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
P
Q
R
S
T
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (4)
(2) dan (5)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam keadaan normal, darah manusia mempunyai pH antara 7,35 dan 7,45. Keadaan tersebut dipertahankan oleh larutan penyangga. Di antara larutan penyangga berikut yang terdapat dalam darah adalah ... .
Larutan penyangga sulfat
Larutan penyangga sulfat
Larutan penyangga posfat
Larutan penyangga karbonat
Larutan penyangga iodat
Larutan penyangga oksihemoglobin
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
pH larutan penyangga yang yang terbuat dari campuran 100mL larutan CH3COOH 0,1 M dengan 200 mL larutan CH3COONa 0,1 M (Ka CH3COOH = 10-5) adalah….
5
6
6 – log 5
6 + log 5
8 + log 5
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Larutan HCOOH 300 ml 0,1 M direaksikan dengan 100 ml larutan NaOH 0,2 M. Jika Ka HCOOH = 2.10–4 , maka pH setelah reaksi adalah ....
2- log 4
4 – log 2
4 + log 2
12 - log 2
12 + log 2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan 100 ml CH3COOH 0,14 M dicampur dengan 70 ml NaOH 0,1 M maka pernyataan berikut yang salah adalah...
Reaksi yang terjadi:CH3COOH + NaOH ® CH3COONa + H2O
Larutan NaOH merupakan reagen pembatas
Larutan yang terjadi bersifat larutan penyangga
Larutan CH3COOH merupakan reagen pembatas
pH larutan >7
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