Question

Order the following pH values from most acidic to least acidic (most basic).
5.7
7.0
1.2
9.1

Answer 1

1.2, 5.7, 7.0, 9.1 in order most acidic to least

Answer 2

Answer: 1.2 to 5.7 to 7.0 to 9.1

Explanation: Highest acidic begins with 1