Question

Uzupełnij równania reakcji chemicznych. Fe+H2SO4-->...........+........... PbO+...............-->PbSO4+................ H2S+....................-->MgS+............ Ca+..............-->CaCl2 KOH+HCl-->.............+........... Al203+...................-->Al2(SO4)3 MgO+....................-->MgSO4 ...............+BA(OH)2-->Ba3(PO4)2+...............

Answer 1

Fe+H2SO4-->Fe2(SO4)3 + H2

PbO+ H2SO4= PbSO4+ H2

H2S + Mg = MgS + H2

Ca+ HCl =CaCl2 + H2

KOH+HCl =KCl + H2O

Al203 + H2SO4-->Al2(SO4)3

MgO+ H2SO4--> MgSO4 + H2O

H3PO4 + Ba(OH)2-->Ba3(PO4)2+ H2O