Número de Avogadro
Quiz
•
Chemistry
•
5th Grade
•
Hard
MAYRA VERÓNICA INCA RODRÍGUEZ
Used 15+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántas moléculas hay en 9 g de agua?
6,022 x 10-12
6,022 x 1012
3,011 x 10-23
3,011 x 1023
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántas moléculas de propano, C3H8 hay en 100 g de dicho gas?
1,3 x10-24
1,36 x1024
6,022 x 10-23
6,022 x 1023
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Mi abuela tiene un collar de plata pura cuya masa es de 54 gramos. Calcula el número de átomos de plata:
0,5 átomos de Ag
3,01x1023 átomos de Ag
3,25x1023 átomos de Ag
6,50x1023 átomos de Ag
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En 260g de H2CO3, la cantidad de átomos presentes es:
2,2x1022
2,53x1024
253x1024
22x1024
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En 100 g de bismuto, la cantidad de moléculas que hay son:
2,88x1023
28,8x1023
288x1023
Ninguna de las anteriores
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En 3 moles de Fe(OH)3, existen:
18,1 x1024átomos
1,81 x1024átomos
181 x1024átomos
Ninguna de las anteriores
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En 4,2x1024 moléculas, los gramos presentes son:
555 g
518 g
517 g
516,02 g
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