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Cp = 15%
mr= 240g
ms = Cp * mr/100%
ms = 15% * 240g/100%
ms = 36g
60cm³ wody = 60g
mr₂= 240g+60g = 300g
ms=36g
Cp₂= 36g/300g*100%
Cp = 12%
Stężenie otrzymanego roztworu wynosiło 12%
240 x 15% + 60 x 0%= x(240+60)
36=300x
0.12 =x
12% =x Stężenie wynosi 12%