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Se amesteca 20g saramura 8% cu 40g saramura 10%.Cata sare contine solutia finala?Rezolvati prin calcule teoretice....Va rog..

Răspuns :

ms=20g C1=8%
ms2=40g C2=10%
md final =?
md 1=ms1*C1/100=20*8/100=1,6 g
md2=ms2*C2/100=40*10/100=4g 
mdfinal -md1+md2=1,6+4=5,6 g