The concentration of hydrogen ion in a sample of soft drink is 3.8 × 10–3M. What is its pH?
The concentration of hydrogen ion in a sample of soft drink is 3.8 × 10–3M. What is its pH?
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pH = – log[3.8 × 10–3 ]
= – {log[3.8] + log[10–3 ]}
= – {(0.58) + (– 3.0)}
= – {– 2.42} = 2.42
Therefore, the pH of the soft drink is 2.42 and it is acidic.
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