propiedades coligativas 2

Quiz
•
Chemistry
•
University
•
Medium
José Torre
Used 5+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
¿Cuál es la ecuación de Raoult?
P = Xs . Pº
Pº = Xsol . P
P = Xd . Pº
Pº = Xd . P
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
La presión de vapor del agua pura a 25°C es 23.8 mmHg. ¿Cuál será la presión de vapor de una solución que contiene 1 mol de azúcar (un soluto no volátil) disuelto en 9 moles de agua?
2.38 mmHg
21.42 mmHg
23.8 mmHg
22.84 mmHg
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
La presión de vapor del benceno puro a 60°C es 400 mmHg. ¿Cuál será la presión de vapor de una solución formada por 2 moles de benceno y 3 moles de tolueno (un soluto no volátil)?
240 mmHg
400 mmHg
320 mmHg
160 mmHg
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
La presión de vapor del éter dietílico puro a 20°C es 442 mmHg. Si la fracción molar del éter dietílico en una solución es 0.75, ¿cuál es la presión de vapor de la solución?
331.5 mmHg
110.5 mmHg
442 mmHg
387.5 mmHg
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Calcule la presión osmótica (π) de una solución que contiene 0.5 moles de glucosa (C6H12O6) disueltos en 1 litro de agua a 25°C (R = 0.0821 L·atm·/K·mol).
12.15 atm
24.63 atm
1.23 atm
0.82 atm
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Determine la presión osmótica de una solución de cloruro de sodio (NaCl) de 0.2 M a 27°C (R = 0.0821 L·atm/K·mol).
4.9 atm
9.8 atm
2.45 atm
7.4 atm
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Calcule la presión osmótica de una solución de sulfato de aluminio (Al2(SO4)3) de 0.1 M a 25°C, considerando que se disocia completamente (R = 0.0821 L·atm/K·mol).
4.92 atm
2.46 atm
6.15 atm
3.28 atm
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