Answer to Question #124757 in General Chemistry for Danilo Bernal

Question

calculate the ph of 100ml of 0.03 M ON SOLUTION ON NITRIC ACID

Answer 1

Nitric acid is a strong electrolyte:

HNO₃ -> H⁺ + NO₃^2-

Molarities of nitric acid and H⁺ ions are the same:

[H⁺] = c(HNO₃) = 0.03 mol/L

pH = -lg[H⁺] = -lg0.03 ≈ 1.52

Volume (100ml) is given but not needed.

Answer: 1.52