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2014-11-13T22:22:20+02:00
H2SO4 = H2O + SO3
H2SO4 = H2O + O2 + SO2
Folosim egalitatea a doua
m(SO2)=(9,8g*32g/mol):98g/mol=3,2g
apoi,
SO2 = S + O2
m(S)=(3,2*32)32=3,2g


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