The [H₃O⁺] in 0.250 M benzoic acid (HC₇H₅O₂) is 3.9 × 10⁻³ M. Calculate Ka.
Lagos State University CHM101 2024 past question
- 6.2 × 10⁻⁵
- 6.2 × 10⁵
- 6.1 × 10⁻⁵
- 6.3 × 10⁻⁵
Register free to see the answer and step-by-step explanation
More Lagos State University CHM101 2024 past questions
Related questions
- Calculate the approximate [H₃O⁺] in a 0.220 M solution of hypochlorous acid. Ka for HOCl = 3.0 × 10⁻⁸.
- An organic compound with molecular mass 113 has the following percentage composition: C = 53.12%, N = 12.4%, O = 28.32% and H = 6.2%. What…
- Determine the osmotic pressure of a solution containing 2.77 g of caffeine (C₈H₁₀N₄O₂, M = 194.2 g/mol) dissolved in 20 mL of solution at 2…
- Calculate the boiling point of a solution made by dissolving 2.77 g of non-volatile caffeine (C₈H₁₀N₄O₂, M = 194.2 g/mol) in 12.8 mL of chl…
- The de Broglie wavelength of a tennis ball of mass 60 g moving with a velocity of 10 m/s is approximately (h = 6.63 × 10⁻³⁴ J s)
- A solution of Ba(OH)₂ has a pH of 12.7. What is its molar concentration?
