Cine îmi rezolva, dau corona
![Cine Îmi Rezolva Dau Corona class=](https://ro-static.z-dn.net/files/dae/69fa1c5b1ac14edb885fe0964ea5e01c.png)
Răspuns:
m,apa= Vxro= 2000g
ms= md+m,apa= 230+2000=> 2230g
c=mdx100/ms= 230x100/2230=10,3%
Explicație: