Ka = 2.99 * 10^-6
or approx value of Ka = 3.00 * 10^-6
Be sure to answer all parts. The pH of a 0.051 M weak monoprotic acid is...
Be sure to answer all parts. Calculate the K, of a weak acid if a 0.057 M solution of the acid has a pH of 3.51 at 25°C. K, = x 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. A 0.1276 sample of a monoprotic acid (molar mass = 1.10 x 10 g/mol) was dissolved in 25.0 mL of water and titrated with 0.0633 M NaOH. After 10.0 mL of base had been added, the pH was determined to be 5.67. What is the K, for the acid? x 10 (Enter your answer in scientific notation.)
The pH of a 0.053 M weak monoprotic acid is 3.05. Calculate the K, of the acid. K= 10 Enter your answer in scientific notation. The base ionization constant of ammonia is 1.8 x 10 . In a 0.070 M NH3 solution, what percentage of the NH3 is present as NH *?
Be sure to answer all parts. Calculate the Ka of a weak acid if a 0.063 M solution of the acid has a pH of 2.85 at 25 ° C. Ka = × 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. The pH of an aqueous acid solution is 6.24 at 25°C. Calculate the Ka for the acid. The initial acid concentration is 0.010 M. × 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. Determine the K, of a weak base if a 0.15 M solution of the base has a pH of 10.77 at 25°C. х 10 Къ (Enter your answer in scientific notation.)
3 attempts left Check my work Be sure to answer all parts. The pH of an acid solution is 6.11. Calculate the Ks for the monoprotic acid. The initial acid concentration is 0.010 M Enter your answer in scientific notation. eBook & Resources References Difficulty 2 Multipart Answer
3 attempts left Check my work Be sure to answer all parts. Calculate the K, of a weak acid if a 0.019M solution of the acid has a pH of 3.09 at 25°C. x 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. What is the [H3O+] and the pH of a buffer that consists of 0.53 M HNO2 and 0.71 M KNO2? (K, of HNO2 = 7.1 x 10-4) [H3O+]=1 X 10 M (Enter your answer in scientific notation.) pH =
Be sure to answer all parts. In a 0.25 M solution, a weak acid is 3.6% dissociated. (a) Calculate the [H30+ ], pH, [OH ], and pOH of the solution. [H30+]= M [OH]= X 10 pH = pOH = (b) Calculate Kg of the acid. KA=