
Ejercicios Aritmética Química
Authored by Carlos Hinostroza
Chemistry
University
Used 21+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En 80 gr de O. ¿Cuántos at -g hay?
5 at-g
10 at - g
15 at-g
20 at-g
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En 2 at - g de S ¿Cuántos gramos existe?
64 g
16 g
20 g
128 g
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En el HNO3. ¿Cuál es su peso molecular?
34 uma
63 uma
20 uma
40 uma
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el Peso molecular de Cu2(SO4) ? Si S=32; Cu=65
226
126
220
420
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas mol - g habrá en 196 g H2SO4?
3 mol -
2 mol - g
5 mol - g
10 mol - g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas moléculas hay 2 mol - g H2O?
1,20x1024 moléculas de H2O
3,20x1023 moléculas de H2O
5,20x1024 moléculas de H2O
8,20x1023 moléculas de H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En 10 mol - g de H2O. ¿Cuántos gramos hay?
180 g H2O
160 g H2O
120 g H2O
150 g H2O
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