1. Mg→MgO→MgCl2→Mg (OH) 2→Mg (NO3) 2

2. P→P2O5→H3PO4→K3PO4→Ca3 (PO4) 3

3. Na→Na2O→NaOH→NaSO4

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4 сентября, 21:28

1. Mg→MgO→MgCl2→Mg (OH) 2→Mg (NO3) 2

2. P→P2O5→H3PO4→K3PO4→Ca3 (PO4) 3

3. Na→Na2O→NaOH→NaSO4

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Доримедонт · Answer 1

1) 2Mg+O2=2MgO

MgO+2HCl=MgCl+H2O

MgCl2+2NaOH=MgOH2+2NaCl

MgOH2+2HNO3=Mg (NO3) 2+2H2O

2) 4P+5O2 = 2P2O5

P2O5 + 3H2O = 2H3PO4

H3PO4+KOH = K3PO4 + H2O

2K3PO4 + 3CaCl2 = Ca3 (PO4) 2 + 6KCl

3) 2Na + O2=Na2O2

Na2O+H2O=2NaOH

NaOH+HCL=NaCL+H2O

NaCL+H2SO4=NaHSO4+HCL

1. Mg→MgO→MgCl2→Mg (OH) 2→Mg (NO3) 22. P→P2O5→H3PO4→K3PO4→Ca3 (PO4) 33. Na→Na2O→NaOH→NaSO4

1. Mg→MgO→MgCl2→Mg (OH) 2→Mg (NO3) 2

2. P→P2O5→H3PO4→K3PO4→Ca3 (PO4) 3

3. Na→Na2O→NaOH→NaSO4