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ms1=(Cp1*mr1/100%)
ms2=(Cp2*mr2/100%)
msx=(Cpx*mrx/100%)
mrx=mr1+mr2
więc:
(Cp1*mr1/100%)+(Cp2*mr2/100%)=Cpx*mrx/100%
Cp1*mr1+Cp2*mr2=Cpx*mrx
zad1:
Cp1=15%, mrx=320g, Cpx=3%, Cp2=0%
Cp1*mr1+Cp2*mr2=Cpx*mrx
15*mr1+0*mr2=3*320
mr2=mrx-mr1
15*mr1+0*(mrx-mr1)=3*320
15*mr1=3*320
mr1=(3*320)/15=64g Kwasu octowego
mr2=mrx-mr1=320-64=256g wody
zad2:
Cp1=25%, Cp2=0%, Cpx=15% mrx=650g
Cp1*mr1+Cp2*mr2=Cpx*mrx
Cp1*mr1+Cp2*(mrx-mr1)=Cpx*mrx
25*mr1+0*(650-mr1)=15*650
25*mr1=15*650
mr1=(15*650)/25=390g etanolu
mr2=mrx-mr1=650-390=260g wody
zad 3
Cp1=50%, Cp2=0%, Cpx=30%, mrx=750
Cp1*mr1+Cp2*mr2=Cpx*mrx
Cp1*mr1+Cp2*(mrx-mr1)=Cpx*mrx
50*mr1+0*(750-mr1)=30*750
50*mr1=30*750
mr1=(30*750)/50=450g etanolu
mr2=mrx-mr1=750-450=300g wody