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Which has the larger numerical value? (a) The pK_a of a strong acid or the pK_a of a weak acid (b) The K_a of a strong acid or the K_a of a weak acid Explain why the pK_a of the -NH_3^+ group of an alpha-amino acid is lower than the pK_a of the ammonium ion...
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aC. Dissolve 50 mg in 5 mL of water R,add1mLof dilute nitric acid R ,mix,allowtostandfor5minandfilter.Thefiltrate gives reaction (a) of chlorides ( 2.3.1 ). C. 在5机器语言水溶化50毫克R, add1mLof稀释硝酸R,混合, allowtostandfor5minandfilter。Thefiltrate给氯化物 (2.3.1的) 反应a...
Dissolves when the exothermic strong sulfuric acid dissolution emits the massive heat, therefore time strong sulfuric acid dilution should “the acid enter the water, along the wall, but actually, unceasingly stirs slowly.” If pours into in the strong sulfuric acid the water, the temperature will...
[translate] aDissolve 1 g in 10 ml of water R, add 6 ml of dilute acetic acid R and filter. Wash the precipitate with a small quantity of water R and dry at 100-105 °C for 4 h. 正在翻译,请等待... [translate]
What the difference between strong acids and weak acids? What are examples of Bronsted-Lowry bases? What is the basicity of H3PO3? What is the chemical formula for chlorous acid? What type of compound is always an electrolyte? Which type of compound does not dissolve readily in water?
In the study, ZIP1 and ZIP2 were a pair of functionally complementary strong interaction plasmids. Static biofilm phenotype assay The bacterial suspension was adjusted to a consistent OD600, and 2 mL of LB liquid medium was added to borosilicate glass tubes. The original suspension was then ...
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aDissolve an accurately weighed quantity of USP Salicylic Acid RS in the Standard preparation prepared as directed in the Assay, to obtain a solution having a known concentration of about 0.015 mg of salicylic acid per mL. 溶化USP柳酸RS的一个准确地被称的数量在标准准备准备如被指挥在分析用试样,...