What is the pH of a 0.050M solution of benzoic acid, C6H5COOH, which has a Ka = 6.3 x 10-5?

Identify the Brønsted-Lowry base in the following reaction, (CH3)3N(aq) + H2O(l) → (CH3)3NH+(aq) + OH-(aq).

Calculate the concentration of OH-(aq) in a solution in which is 0.010 M.

Which of the following factors affect the rate of a reaction (reaction rate)?

The decomposition reaction of N2O5 in carbon tetrachloride is 2 N2O5 → 4 NO2 + O2. The rate law is first order in N2O5. At 64 °C the rate constant is 4.82 × 10–3 s–1. What is the rate of reaction when = 1.00 M?

The active ingredient in aspirin is acetylsalicylic acid, HC9H7O4, is a weak monoprotic acid with a Ka = 3.3 x 10-4. What is the Kb for its conjugate base C9H7O4-?

You have an unknown salt that can be KBr, NH4Cl, KCN, or K2CO3. After making a 0.1M solution in water, pH of the solution is 7.0. Which salt could the unknown be?

Calculate rate of reaction for the following reaction, C4H9Cl + H2O → C4H9OH + HCl, given that the initial concentration of C4H9Cl was 0.100 M and after 2 minutes it is 0.0705 M.

A reaction involves 2 different reactants and both reactants are first order. How does the rate change if the concentration of both reactants is doubled?

Calculate the concentration of H+(aq) in a solution in which is 0.010 M.