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V=5[cm3],
Cp=70[%],
d=1,61[g/cm3],
V1=100[cm3], zamienia my podane objętości na jednostki masy, stosując wzór:
m=Vr*d,to V=5*1,16=5,8[g],
m1=V1*d=100[cm3]*1,16=116[g],obliczam ms,
ms=(Cp*m)/100%,
ms=(70*5,8)/100%=4,06[g]-ms,
Cp1=(ms*100%)/m1,
Cp1=(4,06*100%)/116=3,5[%]
Odp.Nowe stężenie Cp1=3,5[%]