Question

Se desean preparar 120cm3 de solución acuosa de CuCl2 al 30% m/v. ¿Cuántos gramos de soluto se necesitan?

Answer 1

Respuesta:

m/v = masa soluto x 100

``````````````````

v solc.

masa soluto = %m/v x v solc.

``````````````````````

100

masa soluto = 6 g/ mL x 1200 mL

`````````````````````````````

100

masa soluto = 72 g