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Ce concemtratie va avea solutia rezultata pron adaugare a 200 g apa peste 400 g solutie de concentratie initiala 24 %?

Răspuns :

ms1=400g
c1=24
md1=96g
m apa=200g
ms2=ms1+m apa
ms2=600g
c2=md1/ms2*100
c2=16