Answer to Question #235056 in Chemistry for hakunamatata

Question

Identify the most appropriate class (based on purity) of chemical/reagent that will be used in the following:

1. Quantitative analysis of caffeine in soft drinks via chromatographic method. Caffeine will be used as a standard. What class of caffeine should be used for the analysis? Explain your

answer.

2. The required mobile phase for the analysis caffeine in soft drinks in liquid chromatography are methanol and water. What class of methanol and water must be used? Explain your

answer.

3. Ethanol is needed as solvent when preparing phenolphthalein color indicator in volumetric titrations. What class of ethanol best suits the intended purpose? Explain your answer.

4. A purifying agent is required in sugar industry to clarify extracted cane juices. What class of purifying agent must be used? Explain your answer.

5. One of the raw materials for the production of herbal medicine power is ethanol. What class of ethanol should be used for extraction? Explain your answer.

Answer 1

Dear hakunamatata, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order