Odpowiedź :
[tex]20\%=20\%:100\%=0,2\\\\20\% \ z \ 300 \ g=0,2\cdot300 \ g=\boxed{60 \ g \ soli}\\\\300 \ g-60 \ g=\boxed{240 \ g \ wody}[/tex]
mr=300g
Cp=20%
300g-100%
xg - 20%
x= 60g soli kuchennej
300-60=240g wody
[tex]20\%=20\%:100\%=0,2\\\\20\% \ z \ 300 \ g=0,2\cdot300 \ g=\boxed{60 \ g \ soli}\\\\300 \ g-60 \ g=\boxed{240 \ g \ wody}[/tex]
mr=300g
Cp=20%
300g-100%
xg - 20%
x= 60g soli kuchennej
300-60=240g wody