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2014-05-29T12:31:39+03:00
Zn + 2 HCl ---> ZnCl2 + H2
65 g Zn.....2*36,5 g HCl
12,7 g Zn..........x g HCl      x = 14,26308 g HCl
c%=md/ms*100=>ms=14,26308/10*100=142,63 g HCl solutie
2 5 2