25K Ketones and aldehydes are organic compounds that contain carbonyl groups. These compounds can be found in everyday products that are used in society, like nail polish remover and perfume. Explore the structures, uses, and properties of ketones and aldehyd...
Answer and Explanation:1 The full name of BTB is Bromothymol blue. It can be used in the measurement of the pH of a given solution. When BTB is added to the base, then it... Learn more about this topic: Conclusion & Premise Indicators | Definition, Uses & Examples ...
标定碱溶液时,用草酸作基准物质,标定反应为:2NaOH + H2C2O4 Na2C2O4 + 2H2O,计量点时溶液略偏碱性(pH约为8.4),若浓度皆为0.1mol·L-1,则pH突跃范围(也称滴定突跃范围)为7.7-10.0,可选用( )作指示剂。A.甲基红B.甲基橙C.酚酞D.高锰酸钾的答案是什么.用刷刷题APP
AND_EQUALThe AND_EQUAL hint explicitly chooses an execution plan that uses an access path that merges the scans on several single-column indexes. The syntax of the AND_EQUAL hint is AND_EQUAL(table index index) where table specifies the name or alias of the table associated with the indexes...
Sodium hydroxide (NaOH) - Sodium hydroxide is an ionic compound. The molecular weight of sodium hydroxide is 40 g/mol. It is a white, translucent crystalline solid and used in the manufacturing of detergents and soaps. To learn about the structure, Prope