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Numerosos blanqueadores para lavandería contienen hipoclorito de sodio o de calcio como ingrediente activo. El
clorox por ejemplo, contiene aproximadamente 52 g de NaClO por litro de solución. ¿Cuál es la molaridad de esta solución?
Answer
0.70 M
0.50 M
0.75 M
Question 2
Question
Calcular la molaridad de la solución que contiene 10 g de NaCN en 250
mL de solución
Answer
0.204 moles
0.208 moles
0.254 moles
Question 3
Question
Calcular la molaridadde una solución que contiene 9.8 gramos de H2SO4 en un litro de solución. El peso molecular del H2SO4 es 98, es decir, 1 mol = 98 g
Answer
0.1 M
0.20 M
1.1 M
Question 4
Question
HALLAR LA MOLARIDAD DE UNA SOLUCION DE HNO3 AL 70% EN PESO, CUYA DENSIDAD ES DE 1,4 g/ml
Answer
15,11 M
15,45 M
15,55 M
Question 5
Question
¿Cuál será la molaridad de una solución que contiene 64 gr de Metanol (p.m 32 gr/mol) en 500 ml de solución?
Answer
4 Molar.
6 Molar.
3 Molar.
Question 6
Question
¿Cuál es la molaridad de una una disolución de 20 g de NaCl en 180 mL de agua?