Odpowiedzi

2010-04-08T23:00:50+02:00
Cp%=ms/mr*100%
Cp=100ms/mr
Cp*mr=100ms
ms=Cp*mr/100
ms=20*400/100
ms=80

mr=mw+ms
mw=mr-ms
mw=400-80
mw=320

ODP: 320g wody
7 4 7
2010-04-08T23:02:20+02:00
Cp = 20%
cp = ms/mR * 100%
ms =?

ms = cp * Mr / 100
ms = 20 * 400g / 100 = 80 g
Mr = ms + mr
mr (woda) = MR - ms
mr = 320 g
3 4 3
2010-04-08T23:14:32+02:00
Cp=20%
mr-u= 400g

Cp= ms/mr*100%
ms=Cp*mr/100 => ms = 80g

mH2O = 400-80=320g
5 4 5