

Mol e massa molecular
Presentation
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
MAYARA FREITAS
Used 16+ times
FREE Resource
15 Slides • 8 Questions
1
Mol e massa molecular
by MAYARA FREITAS
2
3
Multiple Choice
Qual a massa da água? (H2O)
16
18
33
4
5
6
Multiple Choice
A porcentagem em massa do Cloro no clorofórmio CHCl3 é de aproximadamente: (C = 12; H = 1; Cl = 35,5)
89%
90%
75%
71%
7
8
Multiple Choice
O que não é mol?
Unidade de medida
Uma constante
Um elemento
9
10
11
Multiple Choice
Qual a massa de 1 mol de alumínio?
27 g
13 g
40 g
6.10²³ g
12
Multiple Choice
Quantas unidades de glicose - C6H12O6 - existem em 1 mol dessa molécula?
180
24
6.10²³
13
14
15
Multiple Choice
Qual a massa de Al2(SO4)3 em 1,72 mols desse composto, aproximadamente?
342 g
6.10²³ g
588 g
602 g
16
Multiple Choice
Quantas moléculas existem em 25g de NH3?
51
25
6.10²³
8,85.10²³
17
18
19
20
21
H2O -> H2 + 1/2 O2
​
22
Na reação química abaixo, quantos gramas de produtos serão obtidos se utilizarmos 100 g de N2
N2 + H2 --> NH3
23
Multiple Choice
Quantos g de N2 são necessários para gerar 175g de amônia?
N2 + H2 --> NH3
28 g
144 g
175 g
14 g
Mol e massa molecular
by MAYARA FREITAS
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