The concentration of hydrogen ion in a s...

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

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`pH = -log[3.5 xx 10^(-3)] = -{log[3.5] + log[10^(-3)]}`
`= -{(0.54) + (-3.0)} = -{-2.46} = 2.46`

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