Привет!
[tex]a) 2Al +3H_2SO_4\rightarrow Al_2(SO_4)_3+3H_2\uparrow[/tex]
б) [tex]2Fe(OH)_3\downarrow + 3H_2SO_4\rightarrow Fe_2(SO_4)_3+6H_2O[/tex]
в) [tex]Zn(OH)_2+2NaOH\xrightarrow {t^\circ C} Na_2ZnO_2+2H_2O[/tex]
или
[tex]Zn(OH)_2+2NaOH\xrightarrow {t^\circ C} Na_2[Zn(OH)_4][/tex]
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Answers & Comments
Привет!
[tex]a) 2Al +3H_2SO_4\rightarrow Al_2(SO_4)_3+3H_2\uparrow[/tex]
б) [tex]2Fe(OH)_3\downarrow + 3H_2SO_4\rightarrow Fe_2(SO_4)_3+6H_2O[/tex]
в) [tex]Zn(OH)_2+2NaOH\xrightarrow {t^\circ C} Na_2ZnO_2+2H_2O[/tex]
или
[tex]Zn(OH)_2+2NaOH\xrightarrow {t^\circ C} Na_2[Zn(OH)_4][/tex]