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quis 2

Authored by Flora Ginting

Chemistry

Professional Development

15 Questions

Used 2+ times

quis 2
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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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