80%=100%x/50
4000=100x
x=40g substancji
5%=4000/y
y=800 g roztworu mozna uzyskac
Cp2=5% mr1=50g Cp1=80% mr2=?
ms=mr1*Cp1/100%
ms=50g*80%/100%
ms=40g
mr2=ms*100%/Cp2
mr2=40g*100%/5%
mr2=800g
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80%=100%x/50
4000=100x
x=40g substancji
5%=4000/y
y=800 g roztworu mozna uzyskac
Cp2=5% mr1=50g Cp1=80% mr2=?
ms=mr1*Cp1/100%
ms=50g*80%/100%
ms=40g
mr2=ms*100%/Cp2
mr2=40g*100%/5%
mr2=800g