List two possible steps where impurities may be gained, which would appear to be an increase in copper yield (why you may get more than 100% of the copper back at the end). Be specific about the steps and
how they might add impurities.

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Nonmetal halogen family atmoic mass 35

Particles vibrate in a rigid structure and do not move relative to their neighbors.