
Massa molar
Authored by Arnoldo Neto
Chemistry
11th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Arjun está estudando química e quer saber o que representa um mol de uma substância. O que ele deve considerar?
a) A massa em gramas da substância.
b) O volume ocupado pela substância.
c) O número de partículas (átomos, moléculas, íons) da substância.
d) A densidade da substância.
2.
DRAG AND DROP QUESTION
15 mins • 1 pt
O valor aproximado do número de Avogadro é (a) ?
3.
MATCH QUESTION
15 mins • 1 pt
Combine as seguintes unidades com suas descrições correspondentes
Unidade de massa
mols
Unidade de quantidade de substância
mols por grama
Unidade inversa de massa molar
gramas
Unidade de massa molar
gramas por mol
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Kai está fazendo um experimento no laboratório de química e precisa calcular a massa molar da água (H₂O). (Dados: H = 1 g/mol; O = 16 g/mol)
a) 17 g/mol
b) 18 g/mol
c) 19 g/mol
d) 20 g/mol
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quantos mols existem em 36 g de água (H₂O)?
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual a massa, em gramas, de 2 mols de átomos de carbono (C)? (Dado: C = 12 g/mol)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual a relação entre mol e massa molar?
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