
Química: Fórmulas y Masa Molar
Interactive Video
•
Chemistry, Science
•
8th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula química del óxido de potasio?
KO
KO2
K2O
K2O2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué masa atómica se utiliza para el oxígeno en el cálculo del óxido de potasio?
14.99
17
15.99
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos átomos de carbono hay en el oxalato de calcio?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la masa molar del oxalato de calcio calculada en el video?
124.1 g/mol
130.1 g/mol
128.1 g/mol
126.1 g/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa un paréntesis en una fórmula química como en el nitrato de bario?
Indica que los elementos dentro se repiten según el subíndice externo
Indica que los elementos dentro no se cuentan
Indica un compuesto iónico
Indica un compuesto covalente
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos átomos de oxígeno hay en el nitrato de bario?
6
3
2
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué característica tienen las sales como el sulfato de cobre que afecta su masa molar?
Son inertes
Son higroscópicas
Son radiactivas
Son volátiles
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