
quis 2
Authored by Flora Ginting
Chemistry
Professional Development
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jumlah mol dari 11, 2 Liter gas oksigen pada keadaan standar (STP). (Diketahui Vm = 22,4 liter/mol)
0.1 mol
1 mol
0.5 mol
2 mol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volume dari 8 gram SO3 (Ar S = 32 dan O = 16) pada suhu 30 °C dan tekanan 1 atm (R = 0,082) adalah ..
1,24 liter
6,12 liter
5,24 liter
4,48 liter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika jumlah partikel O2 sebanyak 3.0 x 1023 dan Mr O2 = 32 maka massa O2 tersebut sebesar....
16 g
32 g
24 g
20 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suhu dan tekanan tertentu, 5 liter gas H2 mempunyai massa 0,4 gram. Pada suhu dan tekanan yang sama, 10 liter gas X massanya 28 gram. Jika Ar H = 1, maka massa molekul relatif gas X adalah ..
30
50
60
70
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara molekul berikut, yang mengandung jumlah molekul paling sedikit adalah .... (Ar H = 1, C = 12, O = 16, N = 14)
2 g H2
4 g N2
4 g CH4
8 g O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HCl + Mg(OH)2 → MgCl2 + H2O
2, 1, 1, 2
1, 1, 1, 1
2, 1, 1, 1
2, 2, 1, 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C3H8 + O2 → CO2 + H2O
1, 5, 3, 4
1, 1, 1, 1
2, 5, 3, 4
1, 3, 3, 4
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