Допишите уравнение реакции 1) ... = Mg(NO)3+H2O 2) ....=MgCl2+H2 3)....=K3PO4+H2O...

Question

Допишите уравнение реакции

1) ... = Mg(NO)3+H2O
2) ....=MgCl2+H2
3)....=K3PO4+H2O
4).....=Na2S+H2O

Answer 1

1.Mg(OH)
2.Mg+Hcl
3.KOH + H3PO4
4.NaHS + NaOH.

Answer 2

1)Mg(OH)2+2HNO3 = Mg(NO3)2+2H2O
2) Mg+2HCl=MgCl2+H2
3)3KOH+H3PO4=K3PO4+3H2O
4)2NaOH+H2S=Na2S+2H2O