Napisz i uzgodnij równiania reakcji orzymywania soli.
K2O + H3PO4 ->
PbO + H2SO4 ->
Na2O + HNO3 ->
ZnO + H3PO4 ->
Al2O3 + H2SO4 ->
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3K2O + 2H3PO4---->2K3PO4 + 3H2O
PbO + H2SO4---->PbSO4 + H2O
Na2O + 2HNO3---->2NaNO3 + H2O
3ZnO + 2H3PO4---->Zn3(PO4)2 + 3H2O
Al2O3 + 3H2SO4---->Al2(SO4)3 + 3H2O