Question

Zmieszano dwa roztwory solanki.
mr1 - 60g
Cp1 - 6%

mr2 - 500g
Cp2 - 10%

Z góry dziękuje za pomoc, daje naj

Answer 1

Verified answer

Dane:

mr1=60g

Cp1=6%

mr2=500g

Cp2=10%

mr3=60 g+500 g=560 g

Szukane:

ms1=?

ms2=?

ms3=?

Cp3=?

ms1=Cp1*mr1/100%

ms2=Cp2*mr2/100%

ms3=ms1+ms2

Cp3=ms3*100%/mr3

Obliczenia:

ms1=6%*60 g/100%

ms1=3,6 g

ms2=10%*500 g/100%

ms2=50 g

ms3=3,6 g+50 g

ms3=53,6 g

Cp3=53,6 g*100%/560 g

Cp3=9,57%