Which statement is NOT true about pure water?

a
It is composed of polar molecules
b
It is a good solvent
c
It has a pH of 7
d
Each water molecule has ionic bonds

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.