how many ferric chloride molecules are obtained when 150 iron atoms react with a sufficient quantity of chlorine

Calculate the number of molecules present in 0.750 mol of mgo.

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.