16.
Mg(OH)2 +
H.PO.-> ||||Mg(PO2 +
H2O
2,3,6,1
3, 3, 1,6
3, 2, 1,6
2,3,1,3

17. Cr+Fe(NO.)2 ->
Fe +_ Cr(NO3)2
4,6,6,2
0 2,3,2,3
0 1,3,3,1
02.3, 1.2
0 2,3,3,2

these are two questions separated but I would REALLY appreciate if someone could do them it’s for a test