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ms1=(Cp1*mr1)/(100%)
ms2=(Cp2*mr2)/(100%)
msx=(Cpx*mrx)/(100%)
(Cp1*mr1)/(100%)+(Cp2*mr2)/(100%)=(Cpx*mrx)/(100%)
(Cp1*mr1)+(Cp2*mr2)=(Cpx*mrx) wiemy, że (mr1+mr2)=mrx
(Cp1*mr1)+(Cp2*mr2)=(Cpx*(mr1+mr2))
(Cp1*mr1)+(Cp2*mr2)=(Cpx*mr1)+(Cpx*mr2)
(Cp1*mr1)-(Cpx*mr1)=(Cpx*mr2)-(Cp2*mr2)
mr1(Cp1-Cpx)=mr2(Cpx-Cp2)
mr1/mr2=(Cpx-Cp2)/(Cp1-Cpx)
mr1/mr2=(4,5-2)/(10-4,5)=2,5/5,5=5/11
d=mr/V nie podano gestosci roztworow wiec zakladam d1=d2=dx=1g/cm3
V1=mr1/d1=5cm3, V2=11cm3
V1s=100cm3
V1/V2=V1s/V2s
5/11=100/x
11/5=x/100
1100/5=x
220cm3=x
suma V1s+V2s jest nasza szukana objetoscia roztworu po rozcienczeniu Vx
Vx=V1s+V2s=100+220=320cm3