• \(\text{Fe}_2\text{O}_3\): Iron(III) oxide

• \(\text{Fe(NO}_{3})_{2}\): Iron(II) nitrate

• \(\text{Mg(OH)}_{2}\): Magnesium hydroxide

• \(\text{Na}_2\text{S}\): Sodium sulfide

• \(\text{Al(OH)}_{3}\): Aluminium hydroxide

• \(\text{P}_2\text{O}_5\): Diphosphorus pentoxide

• \(\text{HBr}\): Hydrobromic acid

• \(\text{H}_2\text{SO}_4\): Sulfuric acid

• \(\text{Fe}_2(\text{SO}_4)_3\): Iron(III) sulfate

• \(\text{CaO}\): Calcium oxide