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Cp = 80%
d1 = 1.74g/cm3
mr = 200*1.74 = 348g
ms1 = 348 * 0.8 = 278.4g
V2 = 100cm3
Cp = 40%
d = 1,4g/cm3
mr = 100*1,4 = 140g
ms = 140*04 = 56g
ms3= 334.4g
mr3= 488g
Cp3 = 68.52%
Cp = 50%
ms = 334.4 (pozostaje niezmienna)
mr = ms * 100% / cp = 334.4 * 100/50 = 668.8 g (masa potrzebnego roztworu)
mh2o = 668.8 - 488 = 180.8g
Należy dolać 180,8g wody