CONCENTRACIONES MOLARES
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Maria Torres
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Definición de moralidad.
Número de moles de soluto que están disueltos en un determinado volumen.
Volumen disuelto entre un numero de moles.
Concentración química de soluciones
Ninguno
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Formula para hallar numero de moles.
M = n/ V
gr de soluto / Pm del soluto.
(Pm)(n)
V= n/M
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Formula para hallar el volumen en Molaridad
v = (n)(pm)
Vs= n/M
M = gr soluto/ V solucion.
Ninguno
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Formula para hallar Moralidad
M= n/ Vsolucion
n = gr soluto/pm soluto.
m = (n)(pm)
Ninguno
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se disuelven 0.25 moles de cloruro de sodio con agua hasta llegar a un volumen disolución de 400 ml ¿cual es la moralidad de la solución?
0.625 mol/L
0.632 mol/L
0.624 mol/L
Ninguno
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿cual es la moralidad de una solución que se preparó disolviendo 42 gr de ácido nítrico HNO3 en 900 ml de solucion?
0.98 mol/L
0.67 mol / L
0.74 mol/ L
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
¿Cuál es la concentración molar de una disolución de NaCl formada por 1,00mol de soluto en 500mL de disolución?
2 molar
1,5 molar
1,0 molar
0,5 molar
0,25 molar
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