DAT Practice Test 7

10 free DAT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

DAT Practice Test 7Tutor mode

Question 1 of 10

General Chemistry

Phosphoric acid has pKa values of 2.1, 7.2 and 12.3. In a solution buffered at pH 9.0, which phosphate species is present at the highest concentration?