
Revisão de mol/estequiometria
Authored by Bruno Aldrin
Chemistry, Science
10th - 12th Grade
Used 21+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
O que é mol ?
quantidade de matéria.
quantidade de objetos.
quantidade de massa.
quantidade química.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quantos mol em 117 g de NaCl?
MM: 58,5 g/mol
1 mol
2 mol
3 mol
4 mol
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quantos gramas em 3 mol de CaCO3?
MM: 100 g/mol
100 g.
200 g.
300 g.
400 g.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Em 100 g de feijão 10 % é a quantidade de ferro. A quantidade de ferro absorvido pela hemoglobina do sangue é 2 % de ferro. Calcule em mol, aproximadamente, a quantidade de ferro absorvido.
MM: 56 g/mol
0,0032
0,0033
0,0035
0,0036
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Imagine que em um litro de leite há 0,5 g de cálcio. Calcule em mol a quantidade de cálcio se uma pessoa consumir um litro de leite.
MM: 40 g/mol
20 mol
10 mol
0,0125 mol
0,0250 mol
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual é a quantidade em gramas se colocarmos 0,5 mol de açúcar em uma xícara de café?
MM: 180 g/mol
180 g
120 g
90 g
30 g
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quantos mol de CO2 será produzido a partir de 3 mol de CaCO3?
1 mol
2 mol
3 mol
4 mol
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