Question

The pH of tomato juice is 4.2. Calculate corresponding hydrogen ion concentration.

Answer 1

[H⁺] of tomato juice

pH = 4.2 or log\(\bigg[\frac{1}{H^+}\bigg]\) = 4.2

\(\bigg[\frac{1}{H^+}\bigg]\) = Antilog 4.2 or [H⁺] = Antilog (-4.2)

[H⁺] = Antilog\((\bar5.80)\) = 6.31 x 10^-5 M