Two solutions, Solutions A and Solution B, are tested and found to have pH values of 3.0 and 7.0 respectively. Which statement below correctly compares the two solutions?
A. Solution B has an equal hydroxyl ion concentration to Solution A.
B. Solution A has a higher hydroxyl ion concentration than Solution B.
C. Solution A has a higher hydronium ion concentration than Solution B.
D. Solution B has a higher hydronium ion concentration than Solution A.​