Zadanie 1
H3PO4--H2O-->H+ +H2PO4-
H2PO4- --H2O-->H+ +HPO4 2-
HPO4 2- --H2O-->H+ +PO4 3-
NaOH--H2O-->Na+ +OH-
Zadanie 2
3 NaOH+H3PO4--->Na3PO4+3 H2O
2 Li+H2SO4--->Li2SO4+H2
MgO+H2S--->MgS+H2O
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Zadanie 1
H3PO4--H2O-->H+ +H2PO4-
H2PO4- --H2O-->H+ +HPO4 2-
HPO4 2- --H2O-->H+ +PO4 3-
NaOH--H2O-->Na+ +OH-
Zadanie 2
3 NaOH+H3PO4--->Na3PO4+3 H2O
2 Li+H2SO4--->Li2SO4+H2
MgO+H2S--->MgS+H2O