
Fracción Molar Nocturna
Authored by Henrry henrryzambranosoto@gmail.com
Chemistry
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿ Una solución está compuesta de 21 gramos de metanol CH3OH y 32 gramos de agua?
Xs= 0,20 Xd= 0,80
Xs= 0,26 Xd= 0,74
Xs= 0,15 Xd= 0,85
Xs= 0,18 Xd= 0,82
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcular el numero de moles y fracciones molares de una solución compuesta por 60 gramos de cloruro de sodio NaCl en 80 gramos de agua
Xs= 0,18 Xd= 0,82
Xs= 0,16 Xd= 0,84
Xs= 0,15 Xd= 0,85
Xs= 0,10 Xd= 0,90
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Una mezcla de gases contiene 30 gramos de Hidrógeno y 100 gramos de Oxígeno Calcular el numero de moles y las fracciones molares
Xs= 0,8 Xd= 0,2
Xs= 0,7 Xd= 0,3
Xs= 0,4 Xd= 0,6
Xs= 0,3 Xd= 0,7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La formula de la Fraccion Molar del soluto es Xs
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La Fracción Molar del disolventes es Xd
Verdadero
Falso
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