Chemical formula for chocolate?

Chocolate milk is a mixture of a lot of different compounds in varying proportions; it has no "chemical formula".

There is no chemical formula for chocolate, merely chemical componets of the ingredients. This is because chocolate is a mixture of these ingredients, and not a compound.

Chocolate syrup is a complex mixture of many compounds and does not have a specific chemical formula.

MgOH wouldn't be the formula for any chemical. But Mg(OH)2 is the formula for magnesium hydroxide, the active ingredient in milk of magnesia.

There is no chemical called 'softin'.