
TEMA 13 ESTEQUIOMETRÍA
Authored by JuanMa LpZ
Chemistry
12th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de Avogadro es:
6,02x10-23 moléculas
60,2x1023 moléculas
602x1023 moléculas
6,02x1023 moléculas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de Avogadro representa:
El número de átomos que hay en una molécula - gramo
El número de moléculas que hay en una molécula - gramo
El número de coulombios que atraviesa una celda electrolítica para depositar un equivalente en el cátódo
El número de moléculas que hay en un litro de gas a 0 °C y 1 atm
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule cuántas moléculas hay en 5,23 g de glucosa C6H12O6 (NA=6,02x1023) (PM=180)
1,18x1024
3,36x1023
1,75x1023
1,75x1022
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se obtiene 80 gramos de oxígeno (PA = 16) ¿cuantos moles representa?
3 moles
2,5 moles
1,5 moles
5 moles
5.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
Se tiene 80 gramos de metano (CH4) determinar el numero de moles-gramo contenidos en dicha muestra. PA (H=1 ; C=12)
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Indicar el volumen que ocupará a condiciones normales 120 g de metano (CH4)
168 L
128 L
148 L
158 L
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
4 moles de cloruro de sodio, en gramos es:
55,8
234
58,5
585
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