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Dau coraona/trofeu : X grame de solutie cu concentratia procentauala de 30% reactioneza cu y grame de solutie de concentratie procentuala de 35% ,rezultand o solutie de concentratie 32% .Determina raportul x/y

Răspuns :

x=ms1;    c1=30%
y=ms2;    c2=35%
ms3= ms1+ms2
md3= md1+md2= 30ms1/100+ 35ms2/100
c3= md3x100/ ms3= (30ms1+35ms2)/ (ms1+ms2)= 32=>
30ms1+35ms2= 32ms1+32ms2--------> ms1/ms2= 3/2     verifica !!!!!!