Na→NaOH→Na3PO4→NaCl Na2o→NaOH

Question

Na→NaOH→Na3PO4→NaCl

Na2o→NaOH

Answer 1

1) 2Na + 2H2O=2NaOH+H2

2) 3NaOH + H3PO4=Na3PO4+3H2O

3) 3FeCL2+2Na3PO4=Fe3(PO4)2+6NaCL

из na2o в naoh

na2o+h2o=2naoh