Molalidad
Quiz
•
Chemistry
•
1st - 12th Grade
•
Hard
Berenisse Figueroa
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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cual es la letra que representa la molalidad?
M
N
m
mol
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los moles del soluto por kilogramos de solvente representan:
Molalidad
Molaridad
Normalidad
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Se tiene una solución 25 m. ¿qué significa esa concentración?
25 moles soluto en 1 kg de solvente
25 moles de soluto en 1 L de solvente
25 moles de soluto en 1000 mL
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcular la molalidad de una disolución de 95 gramos de ácido nítrico (HNO3) en 2.5 kg de agua. Masas atómicas: H = 1, N = 14, O = 16.
0.6 m
0.6 M
0.89 m
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se prepara una disolución acuosa de NaOH (hidróxido de sodio) para destrancar el desagüe del baño. Se disuelven 15 g de NaOH en 500 ml de agua. ¿cómo se expresa la molalidad de la disolución? Peso molecular del NaOH es de 40 g/mol.
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