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Rozpuszczalność CuSO₄ w temp. 80°C = ok. 55g/100g wody
ms=55g
mw=100g
mr=ms+mw
mr=155g
Cp=ms*100%/mr
Cp=55*100/155
Cp = 35,48%
2)
v=150cm³
d=0,78g/cm³
m=v*d
m=150*0,78
m=117g
mr=117g
Cp=34%
ms=Cp*mr/100%
ms=34*117/100
ms = 39,78g
mw=mr-ms
mw=117g-39,78g
mw = 77,22g wody