They are called reactants.
The answer is (4) at the cathode, where reduction occurs. The Na+ gains one electron and become Na(l). So the reaction occurs at cathode and is reduction reaction.
The two ways to make a saturated solution are 1 reducing the temperature of the solution and Adding more solute.<span> </span>
Answer:
In every sequence even numbers are added in order.
3, 5, 9, 15, 23, 33
