
Asam Basa
Authored by Titik Handaru
Chemistry
12th Grade
Used 10+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Teori asam basa berdasarkan Arrhenius :
Asam donor proton H+, Basa akseptor proton H+
Asam menghasilkan ion H+, Basa menghasilkan ion oH‐
Transfer pasangan elektron
Asam akseptor pasangan elektron bebas, Basa donor pasangan elektron bebas
serah terima proton
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui reaksi:
H2PO4- (aq) + H2O(l) --> HPO42- (aq) + H3O+(aq)
Yang merupakan pasangan asam basa konjugasi adalah ....
H2PO4– dan HPO42–
HPO42– dan H3O+
H2PO4– dan H3O+
. HPO4– dan H2O
. HPO4–1 dan H2O
3.
MULTIPLE CHOICE QUESTION
1 min • 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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konsentrasi ion hidrogen dalam larutan yang pH-nya = 3 – log 2 adalah … .
2 × 10–2 M
3 × 10–3 M
2 × 10–3M
0,0001 M
0,003 M
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui reaksi kimia H2O + NH3 –> NH4+ + OH-. Pasangan yang merupakan asam-basa konjugasi adalah …
H2O dan OH-
H2O dan NH3
NH4 dan OH-
NH4 dan H2O
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
pH larutan kalsium hidroksida, Ca(OH)2 0,05 M adalah . . . .
1,3
1,5
12,5
12,7
13
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
pH larutan kalium hidroksida 0,5 M adalah . . . . (log 5 = 0,7)
0,3
0,5
13,3
13,5
13,7
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