ms1=200g
c1=75%
c2 =50%
Din prima solutie calculam md
c1=md/ms1x100
md= c1xms1/100
md=75x200/100
md =150g
Aceeasi cantitate de substanta dizolvata este si in a doua solutie, din care aflam ms2
c2=md/ms2x100
ms2= mdx100/c2
ms2= 150x100/50
ms2 =300g
mapaadaugata = ms2-ms1
= 300g -200g
= 100g
