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Stoikiometri

Authored by Dra. Martini

Chemistry

10th Grade

Used 143+ times

Stoikiometri
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapa jumlah mol 44,8 L gas oksigen yang diukur pada keadaan standar (STP)?

2 mol

3 mol

4 mol

6 mol

12 mol

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Garam dengan rumus senyawa NaCl memiliki massa 585 gram. Jika Ar Na = 23 dan Ar Cl = 35,5, maka jumlah mol NaCl sebesar...

5 mol

10 mol

12 mol

15 mol

1 mol

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui suatu logam Natrium (Na) memiliki massa 46 gram. Tentukanlah jumlah molnya jika diketahui Ar Na = 23!

3 mol

2 mol

4 mol

6 mol

12 mol

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Senyawa berikut yang mempunyai massa molekul relatif (Mr) terbesar adalah... (Ar N = 14, H = 1, O =  16, C = 12, dan S = 32)

CO2

H2SO4

H2SO3

H2O

CO(NH2)2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika Ar Ca = 40, C = 12, dan O = 16; Mr senyawa CaCO3 adalah...

60

75

100

115

130

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Massa molekul relatif (Mr) SO2 adalah... (Ar O = 16 dan S = 32)

64

121

215

320

412

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapa massa molekul relatif (Mr) dari C2H5OH? Ar C= 12, O= 16, H= 1

45

46

29

36

16

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