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Na2SO4->2Na+ + SO4 2-
H2SO4->HSO4- + H3O+
HSO4- -> SO4 2- + H3o+
H2SO4+2NaOH->Na2SO4+2H2O
mNa2SO4=141,998u
C%Na=32,38%
mH2SO4=98,0358u
142g-100%
2*23g - x
x= 2*23*100/142
x=32,4%
M H2SO4 (to nie jest sól) = 2+32+4*16(g/mol)= 98g/mol
dysocjacja:
Na2SO4 --> 2Na+ + SO4²-
H2SO4--> 2H+ + SO4²-
zobojętnianie:
H2SO4 + 2NaOH --> Na2SO4 + 2H2O