For hydroxides (acid or base), write the formulas of the corresponding oxides: a) H2CO3

For hydroxides (acid or base), write the formulas of the corresponding oxides: a) H2CO3 b) Mg (OH) 2 c) Al (OH) 3 d) HNO3 e) NaOH

a) Н2СО3 – unstable carbonic acid, decomposing into Н20 (water) + СО2 (carbon monoxide (IV)). There is no need to equalize.

b) Mg (OH) 2 is formed by MgO (magnesium oxide (II)) and water H2O. There is no need to equalize.

c) Al (OH) 3 is a product of the interaction of aluminum oxide Al2O3 and water H2O:

Al2O3 + 3H2O -> 2Аl (OH) 3.

d) НNО3 is formed by water H2O and NO2 (nitric oxide (IV)):

4NО2 + 2H2O + O2 -> 4НNО3. This reaction takes place in the presence of oxygen.

e) NaOH is formed by sodium oxide Na2O and water H2O:

Na2O + H2O -> 2NaOH.