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Calculati masa de acid clorhidric ce se obtine din 10 g de hidrogen in reactie cu clor



Răspuns :

H₂ + Cl₂ ⇒ 2HCl

MH₂=2AH=2*1=2g/mol

MHCl=AH+ACl=1+35,5=36,5g/mol

2g H₂..........................2*36,5g HCl
10g H₂................................xg HCl

x=73*10/2 = Calculeaza !!