Write a balanced chemical equation for the reaction of aqueous solutions of lead(II) nitrate and potassium iodide to produce solid lead (II) iodi de and aqueous potassium nitrate.
Help pleaseee

Engineers have contribute to society in many ways like making the technology we use today or any type of power energy material

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).