El mol
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Gian Pérez
Used 15+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El mol es la unidad del sistema internacional designada para una sustancia que corresponde a un número muy grande de átomos, moléculas, partículas.
Cierto
Falso
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Fórmula empírica se define como:
La cantidad exacta de átomos que componen una molécula, sin atender a la estructura.
La proporción mínima de los átomos en una molécula.
La proporción máxima de los átomos en una molécula
La cantidad mínima de átomos en una molécula medida en una balanza.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La composición porcentual se refiere a la cantidad de masa que aporta un elemento dentro de un compuesto químico, ésta expresada en términos de porciento.
Cierto
Falso
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Determine la masa molar del compuesto: NaHCO3: (escribir número con dos decimales utilizando "coma", espacio y la unidad de g/mol, por ejemplo: 27,35 g/mol)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Determine la fórmula empírica para el C10H20O5:
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
En el compuesto Ni4[Fe(CN)6]3, el porcentaje de composición para el carbono es de:
28,96 %
26,97 %
19,24 %
24,83 %
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Si la fórmula empírica de un compuesto es C4H8O, y su masa molar es de 216,31 g/mol; determina su fórmula molecular:
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