What is the formula of iron(iii) oxide?

How many atoms are there in 5.70 mol of mg

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride