3º ESO: masa, mol, molécula, átomo (examen)
10th Grade
•29 Qs
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3º ESO: masa, mol, molécula, átomo (examen)
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
José Javier Vida Sagrista
Used 18+ times
FREE Resource
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29 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En 1 mol de Ca hay
6·1023 átomos de Ca
1 molécula de Ca
6·1023 moléculas de Ca
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Las masas atómicas de C e H son, respectivamente, 12 y 1. ¿Cuál es la masa molar del metano?
15
16
17
18
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La masa atómica del cobre es 63,5. En un mol de cobre hay:
63,5 g
1 g y una molécula de Cu
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Las moléculas corresponden a:
los elementos
los compuestos
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En 50 g de CO hay más moles que en 50 g de CO2
verdadero
falso
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La masa molar de un compuesto sirve para pasar
de moléculas a átomos
de masa en g a mol
de mol a masa en g
de mol a moléculas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En 1,5 mol de H2O hay menos moléculas que en 1 mol de C6H12O6
verdadero
falso
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