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ce masa de solutie de acid clohidric se obtin prin dizolvarea a 80g HCl in 800 H2O

Răspuns :

ms=md+mH2O=80+800=880g HCl
c%=md/ms*100
ms = md + m apa
md = 80 g HCl
m apa = 800 g
ms = 80+800 = 880 g sol HCl
c% = md/ms*100 = 80/880 * 100 = 9.0909%