
ASESMEN FORMATIF KONSEP MOL
Authored by Irmawaty Irmawaty
Chemistry
11th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada rekasi : Al + Cr2O3 -----> Al2O3 + Cr (belum setara)
Alumunium sebanyak 27 gram direaksikan dengan senyawa Cr2O3 seperti pada reaksi di atas. Maka massa logam krom yang dihasilkan pada reaksi tersebut adalah .... (Ar Al = 27 dan Cr = 52)
10,4 gram
13 gram
27 gram
52 gram
47 gram
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Gas C2H4 dengan volume 22,4 liter dibakar sempurna sesuai reaksi: C2H4(g)+O2(g)→CO2(g)+H2O(g) (belum setara).
Jika reaksi berlangsung pada STP, maka volum gas CO2 yang dihasilkan adalah …
11,2 liter
18 liter
22,4 liter
30 liter
44,8 liter
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Setiap 44,8 liter gas amonia (NH3) pada keadaan standar mempunyai jumlah mol sebanyak ...
0,10 mol
0,25 mol
0,50 mol
2 mol
4 mol
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika volume gas H2 yang terbentuk dalam keadaan standar sebanyak 22,4 liter, maka massa H2 yang terbentuk adalah ... (Ar H = 1)
1 gram
2 gram
3 gram
0,01 gram
0,02 gram
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini pernyataan yang paling benar mengenai massa atom relatif adalah ….
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Satuan yang digunakan untuk massa atom relatif adalah ….
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kalsium terletak pada golongan dan perioda berapa dalam sistem periodik tersebut?
Golongan IA periode 2
Golongan IA periode 4
Golongan IIA periode 2
Golongan IIA periode 3
Golongan IIA periode 4
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