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180g * 25% = 45g - tyle jest H2SO4 w roztworze
Masa molowa H2SO4 = 98g/mol
45/98 = 0,46 mola
Pozdrawiam.
Dane:
Vr=150[cm3];
Cp=25%;
d=1,2[g/cm3];
mr=Vr*dr;
mr=150*1,2=180[g];
ms=(Cp*mr)/100%;
ms=(25*180)/100%;
ms=4500/100=45[g];
1[mol]H2SO4 - 98[g];
x[moli]H2SO4 - 45[g];
x=0,46[mola]H2SO4.