composición porcentual, formula empírico y molecular.
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
Pablo Quijije
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa UMA?
Unidad de moléculas atómicas.
Unidad de masa atómica.
Unidad de masa Avogadro.
Unidad de moléculas Avogadro.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Número de Avogadro
6,023 x 1022 átomo de carbono
6,023 x 1023 átomo de carbono
6,023 x 1024 átomo de carbono
6,032 x 1023 átomo de carbono
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuanto equivale 3,50 de moles de Oxigeno en átomos de oxígeno.
1,50 x 1024 Átomo de oxigeno
2,11 x 1022 Átomo de oxigeno
2,11 x 1024 Átomo de oxigeno
9,03 x 1024 Átomo de oxigeno
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cuánto equivale 2,50 x 1022 átomo de carbono en moles.
4,15 x 1022 moles de carbono
4,15 x 1022 moles de oxigeno
4,15 x 1024 moles de carbono
5,15 x 1022 moles de carbono
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masa molar es:
La masa molecular expresada en gramos
La masa molecular expresada en centímetros
La masa molecular expresada en tiempo
Ninguna
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuántos átomos hay en 1 gramo de potasio (K)
1,54 x 1025 átomos de potasio
1,00 x 1022 átomos de potasio
1,54 x 1023 átomos de potasio
1,54 x 1022 átomos de potasio
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La masa molar del trióxido de dialuminio (Al2O3 )es:
102 g/mol
102 cm/mol
102 g/átomo
104 g/mol
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