The concentration of hydrogen ion in a sample of soft drink is `3.8xx10^(-3) M`. What is its `pH`?

Explanation

Here, we are given that
`[H^(+)]=3.8xx10^(-3)M`
`pH=-log [H^(+)]=-log (3.8xx10^(-3))=-(log 3.8 + log 10^(-3))=-0.58 + 3 = 2.42 = 2.42`
As pH is less than 7, the soft drink is acidic.