Unidades Químicas de Concentración de Disoluciones
Quiz
•
Chemistry
•
12th Grade
•
Medium
María Cunico
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la concentración de una disolución es de 3 moles por kilogramo de solvente , se podría inferir que su concentración es:
3 N (Normal)
3 M (Molar)
3 m (molal)
3 ML (millar)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
?-Cuál será la Molaridad (M) de una disolución de H2SO4 (Ácido sulfúrico) al 98 % m/m y una densidad de 1,84 g/ml?
6,8 M
36,8 M
18,4 M
8,36 M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aquella disolución que a determinada temperatura fija, no acepta disolver más soluto, se denomina:
Saturada
Diluida
Sobre saturada
Concentrada
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cuál será la Fracción molar del solvente (Xste.) de una disolución de Ácido Clorhídrico (HCl) al 15% m/v, si la Fracción molar del soluto de la misma es igual a 0,32?
1 molal
0,1 N
2 Molar
0,68
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La relación entre el número de moles de soluto y el número de moles totales de una disolución (soluto + solvente) corresponde a la unidad química de concentración denominada:
Normalidad
molalidad
Molaridad
Fracción molar
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si a 500 ml de una disolución de Hidróxido de calcio Ca(OH)2 5 N, se le agregan 300 ml de agua. Cuál será la Normalidad de la disolución resultante?
25,31 N
5,3 N
3,125 N
0,1 N
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si la molalidad de una disolución de Ácido fosfórico H3PO4 es 2 molar (2 M). Cuál será su Normalidad (N)?
1 N
3 N
4 N
6 N
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