Question

Calculate the concentration of H+ ion in the following Acetic Acid solution pKa=4.76
[CH₃COOH]/[CH₃COO-]=0.5​

Answer 1

Explanation:

pH = – log[4 × 10–3 ]

= – {log[4] + log[10–3 ]}

= – {(0.6) + (– 3.0)}

= – {– 2.4} = 2.4

Therefore, the pH is 2.4 and it is acidic.