Stoikiometri 2 (Uji Coba OSN)

Quiz
•
Chemistry
•
11th Grade
•
Hard
AMI MARYAM
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa banyak mol oksigen (O2) yang diperlukan untuk bereaksi dengan 2 mol hidrogen (H2) dalam reaksi 2H2 + O2 → 2H2O?
4
3
2
1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika 4 mol aluminium bereaksi dengan 3 mol belerang (S), berapa mol aluminium sulfida (Al2S3) yang akan terbentuk?
2
4
7
10
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa gram natrium klorida (NaCl) yang dapat terbentuk jika 2.5 mol natrium (Na) bereaksi dengan 3 mol klorin (Cl2)? (Hint: Na = 23 g/mol, Cl = 35.5 g/mol)
222.5 g
75 g
45.5 g
100 g
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam reaksi 2C2H6 + 7O2 → 4CO2 + 6H2O, berapa mol oksigen (O2) yang diperlukan untuk bereaksi dengan 3 mol etana (C2H6)?
8
5
10
11
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika 5 mol kalsium oksida (CaO) bereaksi dengan 4 mol air (H2O), berapa mol kalsium hidroksida (Ca(OH)2) yang akan terbentuk?
4
5
2
9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa gram besi (Fe) yang diperlukan untuk bereaksi dengan 8 gram belerang (S) dalam reaksi Fe + S → FeS? (Hint: Fe = 56 g/mol, S = 32 g/mol)
4 gram Fe
2 gram Fe
10 gram Fe
12 gram Fe
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam reaksi 2KClO3 → 2KCl + 3O2, berapa mol kalium klorida (KCl) yang akan terbentuk jika 5 mol kalium klorat (KClO3) terurai?
5
7
10
3
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