Soal seleksi peserta lomba kimia
Quiz
•
Chemistry
•
2nd Grade
•
Medium
Genia Kemala
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dinyatakan oleh Hukum Avogadro?
Gas yang berbeda memiliki volume yang sama pada suhu dan tekanan yang berbeda.
Volume gas tidak dipengaruhi oleh suhu dan tekanan.
Jumlah molekul gas selalu sama terlepas dari volumenya.
Volume gas yang sama pada suhu dan tekanan yang sama mengandung jumlah molekul yang sama.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 1 mol gas ideal pada STP memiliki volume berapa liter?
22,4 liter
30 liter
15 liter
10 liter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara menghitung mol dari 10 gram NaCl? (Ar Na=23, Cl= 35,5)
0,171 mol
0,10 mol
0,25 mol
0,05 mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 2 mol H2 bereaksi dengan O2, berapa mol H2O yang dihasilkan?
3 mol H2O
2 mol H2O
4 mol H2O
1 mol H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa rumus untuk menghitung molaritas?
M = n/V
M = V + n
M = n x V
M = V/n
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa banyak mol dalam 5 gram H2O? (Ar H=1, O=16)
0,278 mol
0,5 mol
0,25 mol
0,1 mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa banyak mol dalam 10 gram CO2? (Ar C=12, O= 16)
0,227 mol
0,5 mol
0,25 mol
0,1 mol
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