En un matraz aforado de 250mL se mezclan 150mL de disolución NaOH de concentración 80g/L con 100mL de disolución de NaOH 6M. Calcula los moles de la primera disolución

examen global 2 evaluación carlos

Quiz
•
Chemistry
•
4th Grade
•
Hard
Fátima Martínez-Santos
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
0'3 moles
0'6 moles
3'6M
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
En un matraz aforado de 250mL se mezclan 150mL de disolución NaOH de concentración 80g/L con 100mL de disolución de NaOH 6M. Calcula los moles de la segunda disolución
0'3 moles
0'6 moles
3'6M
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En un matraz aforado de 250mL se mezclan 150mL de disolución NaOH de concentración 80g/L con 100mL de disolución de NaOH 6M. Calcula la concentración de la disolución obtenida.
0'3 moles
0'6 moles
3'6 M
4.
OPEN ENDED QUESTION
10 mins • 2 pts
Evaluate responses using AI:
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5.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Tenemos una reacción donde inicialmente tenemos 8g de Cd y 60mL y 1'5M de HNO3. Al cabo de un cierto tiempo se consumen 0'14 moles de Cd y 0'045 moles de HNO3. El reactivo limitante es:
datos: Ma(Cd)=112'41
Cd
HNO3
6.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Calcula el volumen de Cd(NO3)2 que hay en un recipiente con 0'07 moles, 750mmHg y 20ºC
1'72L
0'67L
1'72
0'67L
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