<span><span>H3PO4+3KOH</span> = K3PO4</span><span> + 3H2O</span>
<span><span>H3PO4+3Na2O= <span>3H2O</span><span>+2Na3PO4</span></span></span>
<span><span><span><span>2K3PO4+3MgCl2=6KCl+Mg3(PO4)2</span></span></span></span>
<span><span><span><span><span>H3PO4+3AgNO3=3HNO3+Ag3PO4</span></span></span></span></span>
2K +2 H2O -> 2KOH + H2
KOH + HCl -> KCl + H2O
2KCl ->2 K + Cl2 электролиз