In the laboratory, a general chemistry student measured the pH of a 0.392 M aqueous solution of hydroxylamine, NH₂OH to be 9.761. Use the information she obtained to determine the K₁ for this base. Kb (experiment) =
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- In the laboratory, a general chemistry student measured the pH of a 0.428 M aqueous solution of aniline, C6H5NH2 to be 9.235.Use the information she obtained to determine the Kb for this base.Kb(experiment) =In the laboratory, a general chemistry student measured the pH of a 0.441 M aqueous solution of pyridine, C5H5N to be 9.394.Use the information she obtained to determine the Kb for this base.Kb(experiment) =In the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of methylamine, CH3NH2 to be 12.130. Use the information she obtained to determine the Kb for this base. Kb(experiment) =______
- In the laboratory, a general chemistry student measured the pH of a 0.362 M aqueous solution of ammonia to be 11.389. Use the information she obtained to determine the Kb for this base. Kb(experiment) =In the laboratory, a general chemistry student measured the pH of a 0.428 M aqueous solution of trimethylamine, (CH3)3N to be 11.731.Use the information she obtained to determine the Kb for this base.Kb(experiment) =In the laboratory, a general chemistry student measured the pH of a 0.580 M aqueous solution of aniline, C6H5 NH2 to be 9.332. Use the information she obtained to determine the K for this base. K(experiment)
- In the laboratory, a general chemistry student measured the pH of a 0.506 M aqueous solution of benzoic acid, C6H5COOH to be 2.233. Use the information she obtained to determine the Ka for this acid. Ka(experiment) = ____In the laboratory, a general chemistry student measured the pH of a 0.327 M aqueous solution of phenol (a weak acid), C6H5OH to be 5.228.Use the information she obtained to determine the Ka for this acid.Ka(experiment) =In the laboratory, a general chemistry student measured the pH of a 0.578 M aqueous solution of acetylsalicylic acid (aspirin), HC9H7O4 to be 1.864.Use the information she obtained to determine the Ka for this acid.Ka(experiment) =
- In the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of acetylsalicylic acid (aspirin), HC9H7O4 to be 1.912. Use the information she obtained to determine the Ka for this acid. Ka(experiment) =_____In the laboratory, a general chemistry student measured the pH of a 0.578 M aqueous solution of acetylsalicylic acid (aspirin), HC9H7O4 to be 1.864.Use the information she obtained to determine the Ka for this acid.Consider the spectrophotometric pH measurement of seawater with the indicator thymol blue illustrated at the opening of this chapter. The blue form of the indicator In22 on page 202 has maximum absorbance at a wavelength of 596 nm (nanometers). The yellow form HIn2 has maximum absorbance at 435 nm. Measurements of absorbance at the two wavelengths allows us to find the ratio [In22]/[HIn2]. How would you use this measurement to find the pH?