Cálculo de la Masa Molecular
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Juan Sanmartin
Used 93+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un mol de Na no es igual a:
6,022 x 1023 átomos
6,023 x 1022 átomos
6,023 x 1022 moléculas
6,022 x 1023 moléculas
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa molecular del dióxido de carbono (CO2) es:
42 g/mol
44 g/mol
46 g/mol
48 g/mol
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa molecular del oxido de calcio (CaO) es:
40 g/mol
66 g/mol
46 g/mol
56 g/mol
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La fórmula molecular indica:
El número total de átomos por elemento
El número total de elementos que puede tener un compuesto
El número menor de elementos que puede tener un compuesto
La fórmula molecular es igual que la fórmula empírica
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En la molécula de Sr3(PO4)2, la cantidad de átomos es
3 átomos de estroncio, 1 átomo de fosforo, 4 átomos de oxígeno
3 átomos de estroncio, 2 átomos de fosforo, 2 átomos de oxígeno
3 átomos de estroncio, 1 átomos de fosforo, 6 átomos de oxígeno
3 átomos de estroncio, 2 átomos de fosforo, 8 átomos de oxígeno
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa molecular del ácido sulfúrico (H2SO4) es...
102,4 g/mol
98,1 g/mol
89 g/mol
75 g/mol
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En 3 moles de Al2O3 hay...
5,42x1024 moléculas
5,42x1024 átomos de O
5,42x1024 átomos de Al
Ninguna respuesta es correcta.
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