Cantidades Químicas Repaso 5to
Authored by Mariana Vicente
Chemistry
5th Grade
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1 Molécula de H3PO4 contiene
3 átomos de H
1 molécula de P
4 átomos de O
3 átomos de H
1 átomo de P
4 átomos de O
3 moléculas de
1 Molécula de P
4 moléculas de O
1 átomo de H
1 átomo de P
1 átomo de O
2.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
1 molécula de NaCl pesa__________________(teniendo en cuenta que: PAR (Na) 23; PAR(Cl) 35.45)
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En un mol de agua líquida hay mayor cantidad de moléculas que en un mol de hidrógeno gaseoso.
Verdadero
Falso
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
El peso de 1 mol de NaCl es 58 gr ¿Cuántos moles de NaCl hay en 5.8 gr?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La masa de 1 átomo de Oxígeno es:
16 gr
16
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La masa de 1 mol de átomos de Oxígeno es:
16 g
16
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En 1 mol de moléculas de H2SO4 hay_____ átomos de O
6.02x1023 átomos de O
2 x 6.02x1023 átomos de O
4 átomos de O
4 x 6.02x1023 átomos de O
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