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cp=20%
mw=100g
cp1=?
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cp=ms*100%/mr
ms=cp*mr/100%=20%*300g/100%=60g
mr1=mr+mw=300g+100g=400g
cp1=ms*100%/mr1=60g*100%/400g=15%
Obliczamy ms;
ms=(Cp*mr)/100%.
ms=(20%*300[g])/100%=60[g].
mr1=mr+mw=300[g]+100[g]=400[g].
Obliczamy Cp1:
Cp1=(ms*100%)/mr1.
Cp1=(60[g]*100%)/400[g]=15%.
Odp.Stężenie procentowe wynosi Cp=15%.