Question

***Answer this and I will give you a medal !***
The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10^–14.

Answer 1

@kropot72

Answer 2

14.7
13.3
14.0
–14.7

Answer 3

Just use a calculator to find:
\[-\log_{} (5.4\times 10^{-14)}\]
The result when rounded is one of the choices.

Answer 4

13.3 ?

Answer 5

@kimblack Your choice is correct :)