Pka of hclo4

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优质解答 1、氧化性: 硝酸 〉硫酸 2、酸性: 中学化学中,所谓的酸性通常指物质在水溶液中表现出来的性质.酸性强弱是指酸将质子给予水分子的能力.常用酸在水中的电离常数来衡量.硝酸和硫酸的电离方程式如下: HNO3 = H(+) + NO3(-) pKa = -1.34 H2SO4 = H(+) + HSO4(-) pKa = -3 HSO4(-) = H(+) + SO4(2-) pKa = 1.9 显然pKa ...

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Mar 27, 2020 · Sulfuric acid has a pH of 0.3 at a normality of 1 N, a pH of 1.2 at 0.1 N and a pH of 2.1 at 0.01 N. When using molar concentration, sulfuric acid has a pH of 2.75 at 1 millimole per liter, a pH of 1.87 at 10 millimoles per liter and a pH of 1.01 at 100 millimoles per liter.

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Sep 22, 2017 · Practical report - Titration of hydrochloric acid with Sodium Hydroxide Caution: Hydrochloric acid, as well as Sodium Hydroxide, are both very strong acid/base and harmful to skin and eyes. If any contact to the human body would occur, that section of the body needs to be washed thoroughly with a good amount of water a Buffer solutions in the pH series 1 - 10 at unit time were organized from HCl (0.1 M) - KCl (1 M) (pH 1 and 2), CH3COOH (1 M) - NaCOOH (1 M) (pH 3 to 7), NaHCO3 (1 M)- Na2CO3 (saturated) (pH 8 and 9), and NH4Cl (1 M) -NH3solution (1 M) (pH 10).

pKa Values INDEX Inorganic 2 Phenazine 24 Phosphates 3 Pyridine 25 ... HClO4 (70%) -10.00 31 HSO3 7.21* 77 CH3SO3H -0.6 31 HSO4– 1.99* 77 HCN 9.40 34 H2S2O4 1.9 29 1. Strong acids are listed at the top left hand corner of the table and have Ka values greater than 1 2. Acids with Ka values less than one are considered weak acids.