Quiz sobre Massa Molar e Estrutura Molecular

Passage
•
Physics
•
1st Grade
•
Hard
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quantos átomos de carbono (C) existem no etanol (CH₃CH₂OH)?
2
1
6
3
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a massa atômica aproximada do oxigênio (O)?
16 u
1 u
12 u
18 u
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quantas moléculas há em um mol?
6,02 x 10^22
6,02 x 10^23
6,02 x 10^24
6,02 x 10^25
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a massa molar da água (H2O)?
16 g/mol
18 g/mol
24 g/mol
46 g/mol
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a massa atômica do oxigênio (O)?
1 u
12 u
16 u
18 u
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a massa atômica do hidrogênio (H)?
1 u
12 u
16 u
18 u
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a relação entre o número de mol e a massa molar?
A massa molar é a massa de um mol de uma substância
A massa molar é a massa de uma molécula
O número de mol é a quantidade de moléculas em 1 grama
O número de mol é a quantidade de átomos em 1 grama
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