When the Hydronium Ion Concentration Equals 10 Moles Per Liter

Multiple Choice

When the hydronium ion concentration equals 10 moles per liter, what is the pH of the solution? Is the solution acidic or basic?

A) pH = 0, this is an acidic solution.
B) pH = 1, this is an acidic solution.
C) pH = -0.301, this is an acidic solution.
D) pH = 7, this is a neutral solution.