Odpowiedź :
mr1=600 g
Cp1=16%
ms1=(Cp1*mr1)÷100%=(16%*600g)÷100%=96 g
mr2=120 g
Cp2=85%
ms2=(Cp2*mr2)÷100%=(85%*120g)÷100%=102 g
mr3=mr1+mr2=600g+120g=720g
ms3=ms1+ms2=96g+102g=198 g
Cp3=(ms3÷mr3)*100%=(198g÷720g)*100%= 27,5%
mr1=600 g
Cp1=16%
ms1=(Cp1*mr1)÷100%=(16%*600g)÷100%=96 g
mr2=120 g
Cp2=85%
ms2=(Cp2*mr2)÷100%=(85%*120g)÷100%=102 g
mr3=mr1+mr2=600g+120g=720g
ms3=ms1+ms2=96g+102g=198 g
Cp3=(ms3÷mr3)*100%=(198g÷720g)*100%= 27,5%