
PERHITUNGAN KIMIA
Authored by FERA DESYANA
Chemistry
1st Grade
Used 355+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika diketahui massa molar gas CO2 adalah 44 gram/mol, jumlah mol dari 22 gram gas CO2 adalah….
0,2 mol
0,5 mol
1 mol
2 mol
5 mol
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebanyak 10 gram batu kapur (CaCO3) jika dinyatakan dalam satuan mol adalah…. ( Ar Ca = 40, C = 12, dan O = 16)
0,1 mol
0,2 mol
0,3 mol
0,4 mol
0,5 mol
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu senyawa memiliki massa molar 60 gram/mol. Massa 0,25 mol senyawa tersebut adalah…
10 gram
12 gram
15 gram
20 gram
24 gram
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui massa atom relatif H = 1, C = 12, dan O = 16. Massa 3 mol C2H5OHadalah....
46 gram
92 gram
128 gram
138 gram
148 gram
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jumlah molekul CH4 yang terdapat dalam 4 gram gas CH4 (Mr = 16) adalah…. ( bilangan Avogadro = 6 x 10 23
1,5 x 10 22
3,01 x 10 22
1,5 x 10 23
3,01 x 10 23
6,02 x 10 23
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Volume 11 gram gas CO2 pada keadaan standar adalah…. (Ar C = 12, dan O = 16)
1, 12 liter
2,8 liter
5,6 liter
11,2 liter
22, 4 liter
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada keadaan STP sebanyak 11,2 liter gas N2 jika ditimbang memiliki massa sebesar… ( Ar N = 14 )
7 gram
14 gram
28 gram
32 gram
40 gram
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