Pb+2NaOH= Na2Pb+ H20 Pb+2Na+2OH=2Na+Pb+H2O Pb+2OH=Pb+H20 И проставь заряды
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Pb+2NaOH= Na2Pb+ H20 Pb+2Na+2OH=2Na+Pb+H2O Pb+2OH=Pb+H20 И проставь заряды