
II P.QUÍMICA. M, m, Eq-g
Authored by Mauro Monta
Chemistry
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El equivalente gramo de una sal se calcula mediante la peso molecular dividido para la valencia del nometal multiplicado por el subíndice
Verdadero
Falso
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcular la molaridad de 8 gramos de ácido sulfúrico en una disolución de 300 ml.
La molaridad es 0,18 mol/L
La molaridad es 0,53 mol/L
La molaridad es 0,98 mol/L
La molaridad es 0,27 mol/L
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcular el volumen de una disolución 0,28 molar que contiene 25 gramos de nitrato de sodio
El volumen es 1,05 L
El volumen es 2,42 L
El volumen es 0,05 L
El volumen es 1,68 L
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcular los gramos de hidróxido cúprico de 345 ml de disolución 1,74 M.
Se necesitan 45,23 g
Se necesitan 58,83 g
Se necesitan 8,43 g
Se necesitan 82,12 g
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcular la molalidad de una disolución de 95 gramos de ácido nítrico en 1500 ml de agua.
La molalidad es 1,01 mol/L
La molalidad es 3,23 mol/L
La molalidad es 1,01 mol/kg
La molalidad es 3,23 mol/kg
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcular los gramos de metanol (CH3OH) en una disolución 25 molal donde el disolvente son 99 gramos de agua.
La cantidad que se requiere es 79,2 g
La cantidad que se requiere es 59,5 g
La cantidad que se requiere es 45,3 g
La cantidad que se requiere es 88,4 g
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El # Eq-g es igual a Ma dividido para Eq-g
Verdadero
Falso
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