
Konsep Mol
Presentation
•
Chemistry
•
10th - 12th Grade
•
Hard
Dwi Seftina
Used 7+ times
FREE Resource
16 Slides • 10 Questions
1
By Dwi Seftina
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3
4
5
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Multiple Choice
Hitunglah massa 0,1 mol batu kapur (CaCO3) jika diketahui Ar Ca = 40, Ar C = 12 dan Ar O = 16).
5 gram
10 gram
15 gram
20 gram
25 gram
17
Multiple Choice
Jumlah mol air yang mengandung 2,408 x 1023 atom molekul air adalah…
0,02 mol
0,04 mol
0,05 mol
0,2 mol
0,4 mol
18
Multiple Choice
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3 mempunyai jumlah molekul … .
1,204 × 1023
3,01 × 1023
6,02 × 1022
3,01 × 1022
3,01 × 1021
19
Multiple Choice
Massa KOH padat (Mr = 56) yang harus ditimbang untuk membuat 250 mL larutan KOH 0,4 M adalah …
56,0 gram
11,2 gram
22,4 gram
5,6 gram
2,8 gram
20
Multiple Choice
Volume 7,5 gram gas NO pada suhu 0°C dan tekanan 1 atmosfer adalah….(Ar N=14;O=16)
5,6 L
11,2 L
22,0 L
22,4 L
44,0 L
21
Multiple Choice
Jika Ar C = 12 dan O = 16, maka volume dari 8,8 gram gas CO2 pada keadaan standar (STP) adalah …. (Vm = 22,4 liter/mol).
22,4 liter
8,96 liter
4,48 liter
6,72 liter
2,24 liter
22
Multiple Choice
Jika diketahui Ar : Al = 27; S = 32 dan O = 16, Mr Al2(SO4)3 sebesar . . . .
123
214
310
342
150
23
Multiple Choice
Pada suhu dan tekanan tertentu 2 gram gas
X2 mempunyai volum 1 liter. Jika pada suhu
dan tekanan yang sama 7,5 gram C2H6
(Mr=30) mempunyai volume 10 liter, maka
massa atom relatif X adalah ...
80
60
40
25
20
24
Multiple Choice
Jika pada STP volume dari 4,25 gram gas sebesar 2,8 liter, maka massa molekul relatif gas tersebut adalah ...
26
30
32
33
34
25
Multiple Choice
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
16 g CO2
26
By Dwi Seftina
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