Stoikiometri
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Easy
Dra. Martini
Used 104+ times
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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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