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ms=(mr*Cp)/100%
mr1=1g=0,001lg
Cp1=1%
ms1=(0.001*1)/100=0.0001kg
mr2=2kg
Cp2=10%
ms2=(2*10)/100=0,2kg
mr3=mr1+mr2
mr3=2,001kg
ms3=ms1+ms2
ms3=0,2001kg
Cp3=(0,2001*100)/2,001=10%
2.V1=400 cm3
d1=1,5 g/cm3
Cp1=20%
mr2=400g
Cp2=80%
d=mr/V
mr1=d*V
mr1=1,5*400=600g
ms1=(600*20)/100=120 g
ms2=(400*20)/100=80g
mr3=1000g
ms3=200g
Cp3=(200*100)/1000=20%