Konsentrasi larutan yang terbentuk jika 34,2 gram Al2(SO4)3 dilarutkan dalam air hingga volume nya 250 mL adalah .... (Ar Al = 27, S = 32, O = 16)
Larutan

Quiz
•
Chemistry
•
11th Grade
•
Hard
Rian Lestariani
Used 4+ times
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35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4 M
1 M
0,4 M
0,1 M
0,04 M
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Massa jenis H2SO4 pekat 49% massa adalah 1,3 kg/L (Mr H2SO4 = 98). Untuk memperoleh 260 mL H2SO4 0,05 M diperlukan H2SO4 pekat sebanyak ....
6 mL
5 mL
4 mL
3 mL
2 mL
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Untuk memperoleh konsentrasi Cl- = 0,1 M; maka 250 mL larutan CaCl2 0,15 M harus diencerkan sampai ....
500 mL
750 mL
1.000 mL
1.250 mL
1.500 mL
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 150 mL larutan asam sulfat 0,2 M jika dicampurkan dengan 100 mL larutan asam sulfat 0,3 M maka konsentrasinya menjadi .... M.
0,40
0,30
0,32
0,24
0,20
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada pelarutan NH3 terjadi kesetimbangan sebagai berikut.
NH3(aq) + H2O(l) ↔ NH4+(aq) + OH-(aq)
yang merupakan pasangan asam-basa konjugasi adalah ....
NH3 dan H2O
NH4+ dan OH-
NH3 dan OH-
H2O dan NH4+
H2O dan OH-
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Salah satu tokoh yang mengemukakan teori asam-basa adalah ....
Lavoisier
Niels Bohr
Le Chatelier
Bronsted-Lowry
Faraday
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Menurut teori asam-basa Bronsted-Lowry, H2O akan bersifat ....
asam terhadap HCl
asam terhadap CH3COOH
asam terhadap NH3
basa terhadap NH3
basa terhadap CH3NH2
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