Question
Chemistry Question on Law Of Chemical Equilibrium And Equilibrium Constant
The concentration of hydrogen ions in a sample of soft drink is 3.8 × 10–3 M. What is its pH?
Answer
Given, [H+] = 3.8 × 10-3 M
∴ pH value of soft drink = -log [H+]
= -log (3.8 × 10-3)
= -log 3.8 - log 10-3
= -log 3.8 + 3
= -0.58 + 3
= 2.42