Unidades químicas de masa

Quiz
•
Chemistry
•
10th Grade
•
Hard
Saul Cardenas
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El peso molecular de es 80 g/mol. ¿Cuál de los siguientes elementos es X?
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un átomo del elemento X pesa ¿A que elemento se refiere? Consider
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántas moles hay en 240g de un compuesto cuyo peso molecular es 50g/mol?
4.8
3.2
4
6
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántas moléculas hay en 120g de NaOH? Considera
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es el peso molecular del ? (PA Fe=56; S=32; O=16)
400
300
280
350
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuántos átomos de Oxígeno (O) hay en 2 moles de ?
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un elemento está formado por dos isótopos: cuyas abundancias relativas son respectivamente. Determina su peso atómico.
20.3
20.5
19.8
20.1
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