
Asam basa
Authored by Ma War
Chemistry
11th Grade
Used 5+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 3,4 gram Ba(OH)2 (Ar: Ba = 136, O = 16, H = 1) dilarutkan dalam 250 mL larutan, maka harga pH larutan tersebut adalah ….
13 + log 1,6
12 + log 8
2 - log 16
2 log 8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
derajat keasaman larutan yang mengandung ion OH- sebanyak 1.10-4 M adalah ....
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika pH larutan 0,01 M suatu asam lemah HA adalah 3,5, maka tetapan asam (Ka)
1 × 10–3
. 2 × 10–3
1 × 10–5
1 × 10–7
1 × 10–8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Besarnya pH larutan 0,74 gram Ca(OH)2 (Ar Ca = 40, O = 16, dan H = 1) dalam
500 mL larutan adalah … .
2 – log 4
2 + log 4
11 + log 4
12 – log 4
12 + log 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika larutan asam asetat mempunyai pH = 3 dan Ka = 10–5 (Mr = 60), maka
jumlah asam asetat dalam 1 liter larutan asam asetat sebesar … .
0,6 gram
0,3 gram
3 gram
60 gram
6 gram
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
pH dari :
50 mL larutan NH4OH 0,1 M (Kb = 10-5) adalah ....
3
5
7
9
11
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