For a solution whose hydrogen-ion concentration (in mol L ) varies in the interval

MATHEMATICS · Subjective · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

For a solution whose hydrogen-ion concentration

c

(in mol L

^{-1}

) varies in the interval

[10^{-14},\,10^{-1}]

, the pH is defined by

\text{pH} = -\log_{10} c

. Find the corresponding range of possible pH values.