
Estequiometria
Authored by Bruna Fontanella
Chemistry
11th Grade
Used 9+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a quantidade de matéria (n.º de mols) de cobre formado quando 3 mols de Cu₂S reagem com O₂?
1 mol
2 mols
3 mols
6 mols
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual a massa de dióxido de carbono formada quando 336g de bicarbonato de sódio são decompostos, considerando 80% de rendimento?
70,4g
88g
44g
79,2g
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a massa de base consumida quando são formadas 72g de água?
40g
80g
120g
160g
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual o volume ocupado por 192g de SO₂ a 1 atm e 25ºC?
73,3 litros
146,6 litros
36,6 litros
196,8 litros
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual a massa de cloreto de zinco formada quando 195g de zinco metálico reagem com excesso de ácido clorídrico?
405g
135g
270g
65g
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quantos mols do gás NO ocupam o volume de 60,68 litros, a 2 atm e 23ºC?
2 mols
3 mols
4 mols
5 mols
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
.
Qual a massa de ácido carbônico formada quando 88g de CO₂ reagem com água, com rendimento de 80%?
99,2
24,8
49,6
74,4
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