The best liquid mixtures for separation by simple distillation need to have boiling points that differ by at least ___________ oC.     10     20     30     40

Q: Q1. Give three criteria for a good recrystallization solvent.

A: "Since you have asked multiple questions, I am solving the first one for you. If you need help with…

Q: c) You decide to use ethanol in conjunction with another solvent to make a solvent pair. What two…

A: CRYSTALLIZATION: A process in which solid crystals are produced from other state of matter like…

Q: арply. to determine a suitable solvent system for recrystallization to monitor the progress of a…

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Q: What will be the composition of the vapor when a mixture containing 0.30 of A was subjected to…

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Q: When using a 50 mL volumetric flask, approximately what volume of solution should be used for each…

A: It is asked about the volume of solution used in volumetric flask to rinse .

Q: How to increase thw yield of steam distillation?

A: We have to write how to increase the yield of steam distillation.

Q: Compound A is impure and has a melting point of 90°C - 98°C. After purification, A will most likely…

A: The melting point is a characteristic physical property of a solid. The temperature at which a solid…

Q: Why is water not a good recrystallization solvent for sodium benzoate? a. Sodium benzoate is…

A: Water is not a good recrystallization solvent for sodium benzoate.

Q: If the melting point range obtained from the unknown sample is 121-122 degrees Celsius, can we say…

A: Please find your solution below : Melting point of a substance is defined as a temperature at which…

Q: What is the difference between oil/water (O/W) type and water/oil (W/O) type emulsions? Give an…

A: Emulsions are the mixtures of 2 or more than 2 liquids that are generally immiscible. It is a type…

Q: Organic solids are best purified by a. recrystallization b. vacuum distillation c. fractional…

A: Purification of organic compounds can be done by various methods namely distillation method,…

Q: If you are performing a solvent extraction using 1M NaHCO3 and Dichloromethane (Density = 1.325…

A: Solvent extraction is a process of separating the dissolved compound from one solvent by using…

Q: What are the principles behind caffeine being extracted from coffee using the above items?

A: Caffeine extraction from coffee

Q: What is the major difference in set up between a simple distillation and a fractional distillation?…

A: Distillation is a separation technique use to separate the liquid mixture on basis of their…

Q: Place 2.4 grams of sulfanilic monohydrate in a 125 ml Erlenmayer flask and dissolve it in 25 ml of…

A: Experiment: Place 2.4 grams of sulfanilic monohydrate in a 125 ml Erlenmayer flask and dissolve it…

Q: What are the dispersed phase and dispersion medium in milk?

A: Dispersed Phase: The phase or particles which are present in the form of colloidal particles is…

Q: Explain what the liquid-liquid extraction technique consists of

A: Liquid–liquid extraction  also known as solvent extraction and partitioning.

Q: Dissolution is considered one of the mosto important quality control test performed on…

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements present…

Q: What is solute and solvent in pickling liquor solution? and what type of solution is it?

A: A pickling liquor solution is the mixture of water , vinegar, sugar , ginger, bay leaves, table…

Q: How are solvents chosen for recrystallization? (single solvent or mixed-solvent system).

A: "Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Which solvent system was used for the recrystallization of acetanilide? O acetone-water 1:2…

A: 1. We must have an basic idea about recrystalization.  2. Recrystalization needs a solvent.  3.…

Q: In general describe how a mixed solvent recrystalization works.

A: To do a mixed solvent crystallization, dissolve the solid to be crystallized in the smallest amount…

Q: Select all the statements below that are correct about Recrystallization O By dissolving both…

A: Recrystallization is defined as a process in which grains of a crystal structure come in a new…

Q: See attached problem

A: Recrystallization is a technique used to purify chemicals. Recrystallization, also known as…

Q: Draw 4 solvent molecules interacting with either the plate or the analytes and clearly show the…

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Q: Upon running a standard recrystallization in 90:10 EtOH:water you reach a point where crystals are…

A: In recrystallization process , we have a certain method to induce crystallization if crystal don't…

Q: 24 The volume tric Karl Fischer method is suitable for samples with a high water content. 7…

A: THE ANSWERS ARE :-        (36) TRUE.          (37) FALSE.           (38) TRUE .             (39)…

Q: Distillation Curve 110 100 90 80 70 60 50 40 20 40 60 100 120 Volume (drops) 13. Based from the…

A: Distillation is a technique in which the mixture of liquid can be separated.

Q: molecules are

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Q: What is another factor that can influence fractional distillation’s success other than the number of…

A: Distillation process involving conversion of liquid into vapours that subsequently condensed back to…

Q: Make a results and discussion in Laboratory Report Format of the following: 1. Separation of…

A: As per our Company guidelines, we are supposed to answer only first three sub-parts. Kindly repost…

Q: What lab equipment is used to manually stir solutions? thermomoter

A: In chemical laboratory various equipments are used these equipments are called apparatus  In any…

Q: The phensuprin solid is first dissolved in ethyl acetate. One solid will be left over – what is it?…

A: Phensuprin is the mixture of aspirin or acetyl salicylic acid, acetanilide and sucrose.

Q: MAKE A FLOWCHART/SCHEMATIC DIAGRAM Procedure: Place 20 drops of each of 0.2M CuSO4 in a centrifuge…

A: A flowchart is a diagrammatic representation of process in sequential steps.  In this flowchart…

Q: How many mL solution should be taken from 0.900 M K2SO4 solution to prepare 250 mL of 0.450 M K2SO4…

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Q: SOLVENT SYSTEM DISTANCE SPOTS TRAVELLED, cm 6.4 1.4 1.9 solvent ITSAY 4.1 5.3 6.5 0.7 1.7 2.5 3.0…

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Q: for effective  purification by recrystalization while avoiding performing a hot gravity filtration,…

A: Recrystallization is used to purify a sample.

Q: In a test tube, dissolve 10 drops of methanol in 3 ml. of water. Oxidize a copper wire spiral by…

A:

Q: What physical property determines which solvent sinks to the bottom when performing a liquid-liquid…

A: A separating funnel is used for carrying out liquid liquid extractions. When two liquids are shaken…

Q: Which is the most appropriate way to dispense liquid using a dropper (vertical, 45° angle, or…

A: Dropper is a device used to transfer small quantities of liquids.

Q: After the ethyl acetate is evaporated, Q and R (a mixture of liquids) remain. A) What criteria does…

A: Distillation is a process to separate two mixtures with different boiling points by applying heat.…

Q: Which of the following could result in a loss in yield in a mixed solvent recrystallization? i. Use…

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Q: You have 100 mL of a solution of benzoic acid in water; the amount of benzoic acid in the solution…

A: Volume of benzoic acid solution = 100 mL Mass of benzoic acid in solution = 0.30 g Distribution…

Q: To identify 1° alcohol from 2° alcohol and 2° alcohol from 3° alcohol giving Immiscible layer as the…

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Q: 1. Pure compounds have higher (and sharper) melting points than compounds that contain impurities.…

A: Melting point depends on the intermolecular forces of attraction to a greater extent. Pure crystal…

Q: An overachieving student determines that their neutral liquid unknown contains impurities. Suggest…

A: The unknown solution contains liquid and impurities.

Q: When steam distillation is not recommended? What is the theory of steam distillation technique?

A: There are various solutions which contains a lot of solvents which needs to be separated out from…

Q: Place 2.4 grams of sulfanilic monohydrate in a 125 ml Erlenmayer flask and dissolve it in 25 ml of…

A: Experiment: Place 2.4 grams of sulfanilic monohydrate in a 125 ml Erlenmayer flask and dissolve it…

Q: How many ml of ethenol should be mixed with 225 ml of water to make 4.5% (v/v) mixture

A: Suppose Volume of ethanol is =y ml Volume percent v/v % = [(volume of solute)/(volume of solution)]…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.