Question 10
Wear eye protection and disposable gloves when handling solutions. Work under teacher supervision. Investigation 1: an iron nail is placed in about 200 cm³ of copper nitrate solution in a beaker on an electronic balance. The beaker is covered with a watch glass while it stands for a week; the watch glass is removed before the final weighing.
How does the final mass compare with the total mass of the reactants?
How does the final mass compare with the total mass of the reactants?
