Fe(OH)3+H3BO4--> KOH+NH4Cl

Question

Fe(OH)3+H3BO4-->

KOH+NH4Cl

Answer 1

Fe(OH)3 + 3KOH = K3[Fe(OH)6]  3Mg + 2H3PO4(разб. ) = Mg3(PO4)2↓ + 3H2↑ 3Mg(OH)2+ 2H3PO4 = Mg3(PO4)2 + 6H2O