Respuestas

2011-12-18T17:09:41+01:00

mr=200g

Cp=10%

 

ms=Cp·mr/100%

ms=200g·10%/100%=20g

 

mr=200g+100g=300g

 

Cp=ms·100%/mr

Cp=20g·100%/300g=6,(6)%

 

Rta: La concentración es igual a  6,(6)%.