roztwór 1
mr1= 300 g
Cp1= 4%
Cp= (ms÷mr)*100%
ms1= (Cp1*mr1)÷100%
ms1=(4%*300g)÷100%= 12 g
roztwór 2
mr2= 500 g
Cp2= 2%
ms2= (Cp2*mr2)÷100%
ms2=(2%*500g)÷100%= 10 g
Nowy roztwór:
ms3=ms1+ms2= 12 g + 10 g=22 g
mr3= mr1 + mr2= 300 g + 500 g= 800 g
Cp3= (ms3÷mr3)*100%
Cp3= ( 22 g÷ 800 g)*100%= 2,75 %
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roztwór 1
mr1= 300 g
Cp1= 4%
Cp= (ms÷mr)*100%
ms1= (Cp1*mr1)÷100%
ms1=(4%*300g)÷100%= 12 g
roztwór 2
mr2= 500 g
Cp2= 2%
Cp= (ms÷mr)*100%
ms2= (Cp2*mr2)÷100%
ms2=(2%*500g)÷100%= 10 g
Nowy roztwór:
ms3=ms1+ms2= 12 g + 10 g=22 g
mr3= mr1 + mr2= 300 g + 500 g= 800 g
Cp3= (ms3÷mr3)*100%
Cp3= ( 22 g÷ 800 g)*100%= 2,75 %