Use the acidity model pH = −log[H+], where acidity (pH) is a measure of the hydrogen ion concentration [H+]

Question

Use the acidity model pH = −log[H+], where acidity (pH) is a measure of the hydrogen ion concentration [H+] (measured in moles of hydrogen per liter) of a solution. Find the pH when [H+] = 1.55 × 10−5. (Round your answer to two decimal places.) pH =

Answer 1

pH = -log(1.55 x 10^-5)= -log1.55 - log (10^-5) = -.19 + 5 = 4.81