You have 4.3 moles of fe2o3. how many grams is that?

Identify the electromagnets with poles that are reversed from the electromagnet shown above

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

Calculate the concentration of all species in a 0.165 m solution of h2co3.