Odpowiedź:
Wyjaśnienie:
[tex]2HCOOH+2Na\rightarrow 2HCOONa+ H_2\uparrow[/tex] metanian sodu
[tex]2HCOOH+Na_2O\rightarrow 2HCOONa+H_2O[/tex]
[tex]HCOOH+NaOH\rightarrow HCOONa+ H_2O[/tex]
[tex]2HCOOH+Mg\rightarrow (HCOO)_2Mg+H_2\uparrow[/tex] metanian magnezu