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Ce cantitate de NaCl reactioneaza cu24.5g H2SO4

Răspuns :

Mihaiimbrisca
58,5g     98g
NaCl+H2SO4⇒Na2SO4+ H2O
x         24,5g
MNaCl=ANa+ACl=23×+35,5=58,5g
MH2SO4=2×AH+AS+4×AO=2×1+32+4×16+98g
x=24,5×58,5/98= calculeaza

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