One of the ways that voltaic and electrolytic cells are similar is with the flow of electrons which way to the electrons flow in this electrolytic cell

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

What the blanks in these lines are ?

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o