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mr- 200g mr - 200g + 100g = 300g
Cp- 10% msub. - 20g
ms- 10 g sub. - 100 g r Cp - 20g*100%/ 300g = 2000/300=6,7 %
x g sub. - 200g r
x= 20 g
2. Roztwór 1 - x (h2o) = Roztwór 2
mr - 500g Cp- 5%
Cp - 2% ms- 10g
ms - 2g sub - 100g roztworu mr- 5g - 100g
x g sub. - 500g 10 g - x
x = 10g x= 200g
mh2o- 500g - 10g = 490 g mh2o- 200g -10g= 190 g
masa wody odparowanej = 490- 190 = 300g
Cp2 - ?
ms = Cp1*mr1 / 100%
ms = 20 g
Cp2 = 20/(200+100) * 100% = w przybliżeniu 6,67%
2.
Cp1 - 2%
Cp2 - 5%
mr1 = 500g
ms = 2*500/100 = 10g
mr = ms*100%/Cp
mr2 = 10g*100% / 5% = 200g
mr1 - mr2 = 500g - 200g = 300g