In a titration experiment, what indicates the endpoint? A. Color change B. Temperature increase C. Formation of a gas D. Appearance of a precipitate 相关知识点: 试题来源: 解析 A。解析:在滴定实验中,终点通常由颜色变化来指示。反馈 收藏 ...
What is the equivalence point in a titration? What is the endpoint of titration? Why is HCl not used in titration? How do you do titration calculations? What is analyte in titration? What is conductometric titration in chemistry? How do you do a titration equation?
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starting volume of the pipette or burette is recorded. Titrant is dripped into the analyte and indicator solution until the reaction between titrant and analyte is complete, causing a color change (the endpoint). The final volume of the burette is recorded, so the total volume used can be ...
During a titration of an acid with a base, you are often asked to identify the endpoint. What is the correct definition of the endpoint? a. The point in the reaction when the moles of acid or base added (the titrant) are equal to half the moles...
Titration is a technique of determining the concentration of unknown solution by using a solution of known concentration. The known solution (titrate) is added in drops to the analyte (unknown solution) until the endpoint is reached.
Because the reaction’s endpoint and equivalence point are not identical, careful selection of titration indicators will reduce errors. Back Titration Essentially, back titration is a titration done in reverse. The person performing the titration does not titrate the original sample; instead, they ...
Sertraline administered daily throughout the menstrual cycle was statistically significantly more effective than placebo on change from baseline to endpoint on the DRSP total score, the HAMD-17 total score, and the CGI-S score, as well as the CGI-I score at endpoint. In Study PMDD-2, ...
aThe determination of hydrochloric acid in gastric juice by titration to a fixed potentiometric endpoint is incorrect on a theoretical basis, because of the presence of weak acids and their salts in gastric juice [1]. Moore and Scarlata [2,3]proposed a method by which the hydrogen-ion concentr...