• Asignatura: Química
  • Autor: sopiitadmiierda
  • hace 8 años

tenemos una muestra de laton con un 65% de cinc y el resto es cobre.
a) calcula el % en masa de cada uno de los elementos
b) calcula la cantidad de laton que hay que coger para tener 180 gr de cobre​

Respuestas

Respuesta dada por: Passepartout
1

Respuesta:

Explicación:

a)

Zn: 65%

Cu: 35%

b)

180 g de Cu · 100 g de latón / 65 g de Cu = 276.9 g de latón


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sopiitadmiierda: gracias!!
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