
Estequiometria
Authored by Euclides Chacon
Chemistry
10th - 12th Grade
Used 32+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
A massa molar da Glicose (C6H12O6) é:
Dados: M(C) = 12 g/mol; M(H) = 1 g/mol e M(O) = 16 g/mol
180 g/mol
29 g/mol
90 g/mol
30 g/mol
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
A massa molar do Etanol (C2H6O) é:
Dados: M(C) = 12 g/mol; M(H) = 1 g/mol e M(O) = 16 g/mol
29 g/mol
46 g/mol
23 g/mol
30 g/mol
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Em 90 g de água (H2O) existem:
Dados: M(H) = 1 g/mol e M(O) = 16 g/mol
1 mol
3 mol
6.1023 moléculas
30.1023 moléculas
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Em 22 g de gás carbônico (CO2) existem:
Dados: M(C) = 12 g/mol e M(O) = 16 g/mol
1 mol
2 mol
6.1023 moléculas
3.1023 moléculas
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Em 8,5 g de amônia (NH3) existem:
Dados: M(N) = 14 g/mol e M(H) = 1 g/mol
1 mol
0,5 mol
6.1023 moléculas
12.1023 moléculas
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
22 g de CO2
44 g de CO2
88 g de CO2
176 g de CO2
220 g de CO2
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
18.1023 moléculas
12.1023 moléculas
6.1023 moléculas
3.1023 moléculas
1,5.1023 moléculas
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