Odpowiedzi

2010-02-24T14:10:51+01:00
5kg-100%
x-10%
x=5*10%/100%=0,5kg tyle soli wsypano

;)
2010-02-24T14:23:36+01:00
Mr = ms + m (wody)
Cp=ms/mr*100%
Cp=ms/ms+mw * 100% /* ms+mw
Cp*(ms+mw)=ms*100%
Cp*ms+ Cp*mw=ms*100%
Cp*mw=ms*100%-Cp*ms
Cp*mw=ms(100%-Cp) / :(100%-Cp)
Cp*mw/(100%-Cp)=ms
ms=10*5/100-10
ms=50/90
ms=0,56kg