Răspunsuri

2014-05-06T20:53:05+03:00
Ca(OH)2 + 2 HCl ---> CaCl2 + 2 H2O
1 mol Ca(OH)2...........2*36,5 g HCl
2 moli Ca(OH)2...............x g HCl    x = 146 g HCl
c%=md/ms*100=>ms=146/36,5*100=400 g solutie