The molecular formula and empirical formula of some substances are the same. For example, both types of formula for carbon dioxide are CO 2.

Symbol equations are a quick way of representing chemical reactions. They show us what atoms are involved and how they are bonded together. Symbol equations always take the form, reactants → products.

All pharmaceutical products are formulated to specific dosage forms for drugs to be effectively delivered to patients. Typical pharmaceutical dosage forms include oral tablets, capsules, solutions, ...