
Estequiometría g2
Authored by Hugo V.
Chemistry
1st Grade
Used 1+ times

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7 questions
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1.
OPEN ENDED QUESTION
10 mins • Ungraded
¿Cuál es la masa molar del compuesto tioscianato de potasio (KCSN)? (tomando las masa molares de los elementos K: 39 g/mol, C: 12 g/mol, S: 32 g/mol, N: 14 g/mol , calcule)
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2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es la masa molar del elemento químico Magnesio (Mg)?
24 g/mol aprox.
42 g/mol aprox.
32 g
10 g/mol
3.
OPEN ENDED QUESTION
5 mins • Ungraded
Calcule cuántos moles hay en 3,0 g de aluminio (Al). (tomando en cuenta masa molar de Aluminio: 27 g/mol)
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4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué estudia la estequiometría?
la química a nivel atómico a nivel nuclear
La química del carbono y sus propiedades con las aplicaciones en la materia.
las leyes de la materia en física clásica.
el cálculo de las relaciones cuantitativas entre los reactivos y productos en el transcurso de una reacción química.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
balance la ecuación: Al + Cl2 --> AlCl3
3Al + 3Cl2 --> 2AlCl3
3Al + 2Cl2 --> 2AlCl3
2Al + 3Cl2 --> 2AlCl3
Al + Cl2 --> 2AlCl3
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
si para 1 mol de átomo tengo 22,4 L. ¿cuantos litros tendré para 3 moles?
67,2 L
62,7 L
72,7
60,2 L
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule la masa en gramos de 5 moles de Flúor (F). (Masa molar de (F): 19 g/mol)
59 gramos
95 gramos
60 gramos
85 gramos
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