Kuis Stoikiometri
Quiz
•
Chemistry
•
12th Grade - University
•
Medium
Mikael Sesfaot
Used 16+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika pada STP volume dari 4,25 gram gas sebesar 2,8 liter, maka massa molekul relatif gas tersebut adalah ….
26
28
30
32
34
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapa jumlah mol Fe2(SO4)3 yang memiliki massa 4 gram …. (diketahui Ar Fe: 56, S: 32, O: 16)
0,25 mol
0,20 mol
0,10 mol
0,01 mol
0,001 mol
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bila diukur pada 27 ºC, 1 atm, gas oksigen yang massanya 8 gram akan bervolume . . . . (R = 0,082 L atm K-1 mol-1, Ar O = 16)
24,6 Liter
22,4 Liter
11,2 Liter
6,15 Liter
5, 6 Liter
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebanyak 6 gram NaOH (Mr = 40) dilarutkan dalam air sehingga volumenya menjadi 150 mL, hitunglah konsentrasi larutan NaOH tersebut?
1 M
0, 1 M
0, 01 M
10 M
100 M
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Reaksi pembentukan Titanium (IV) florida berlangsung seperti pada gambar reaksi disebelah:
Bila 3.2 gram cuplikan yang mengandung TiO2 menghasilkan 0.64 gram O2, maka persentase massa TiO2 dalam cuplikan tersebut adalah…. (Ar. Ti : 48, O : 16, F : 19, Br : 80)
15 %
25 %
50 %
70 %
75 %
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tidak ada zat yang hilang akibat terjadinya reaksi kimia, yang ada hanya berubah menjadi bentuk zat lain. Pernyataan ini ditemukan pertama kali oleh….
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Yang termasuk dalam kadar zat yaitu..
Persen massa
Persen volume
Bagian per juta (bpj)
Volume molar
Tekanan dan suhu
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