Competição sobre Mol
Authored by Carlos Felipe Bubach de Almeida
Chemistry
9th - 12th Grade
Used 61+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A massa molar do NaCl é igual a: Dado Na = 23 e Cl = 35
(a)
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A massa molar do Ca(OH)2 é igual a: (Dado: Ca = 40, O = 16, H = 1)
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A massa molar do H2CO3 é igual a: (Dado: C = 12, O= 16, H = 1)
(a)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanto pesa 2 mols de H2O? (Dado: H = 1, O = 16)
18
16
32
36
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanto pesa 0,5 mols de O2? (O = 16)
18
16
32
36
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quanto pesa 10 mols de H2? (Dado: H = 1)
10
20
100
200
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A massa molar do CO2 é igual a: (Dado: C = 12, O= 16)
(a)
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