
A. Kognitif Chemistry
Authored by Lilis Sumiyati
Chemistry
11th Grade
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berikut ini pernyataan yang benar tentang 1 mol zat adalah ….
Jumlah zat yang mengandung 6,02 x 10 ²³ partikel (atom, molekul, atau ion)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Massa molekul relatif Al₂(SO₄)₃ jika Ar Al = 27, S = 32, dan O = 16 adalah ....
234
432
324
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah atom yang terdapat dalam rumus kimia: C2H4O2 adalah....
6
8
10
12
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapa banyak total atom Oksigen yang ada dalam rumus kimia: Na2(SO4)3.2H2O
8
9
13
14
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah mol air yang mengandung 2,408 x 1023 molekul air adalah…
0,02 mol
0,04 mol
0,2 mol
0,4 mol
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui massa atom relatif (Ar) C = 12; O = 16 ; K = 39, maka massa 2 mol K2CO3 adalah....
200 gram
250 gram
276 gram
300 gram
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah mol dari 11,2 Liter gas oksigen pada keadaan standar (STP) adalah .... (Diketahui Vm = 22,4 liter)
0.1 mol
1 mol
0.5 mol
2 mol
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