Which one is the most common method used for the purification of liquid mixtures?

Q: What advantages and disadvantages does water have as a recrystallization solvent?

A: Recrystallization is used to purify chemicals by dissolving both impurities and a compound is…

Q: Sodium nitrate nano3 weighing 50g was dissolved in water weighing 150 grams. What is the mass…

A: The mass of sodium nitrate is = 50 g The mass of water is = 150 g The mass fraction of sodium…

Q: Can a mixture of trichloromethane and propanone be separated into the pure components by fractional…

A: Given: Mixture of trichloromethane and propanone.  To find: Can it be separated into pure components…

Q: Describe how to prepare 100.00ml of a 0.250M sodium chloride solution using sodium chloride powder.

A: Volume of solution = 100 mL OR 0.1 L

Q: 7.A student carried out a fractional distillation of an unknown binary (2-component) mixture from a…

A: Answer - According to the question - Given - We can see in the graph that we have shift in…

Q: Which component(s) in the water-salt-potassium permanganate mixture i removed by distillation? Which…

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Q: explain the mechanism of cleansing action of soap.

A: Soap consists of hydrocarbon tail and head in which tail is hydrophobic (water repelling) and head…

Q: 7.2. What is the influence on the phase diagram if the atmosphere pressure is changed during the…

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Q: 4. Draw a boiling point-composition diagram for an ideal binary solution. With the aid of the…

A: Let a be the point where starting composition of the solution to be distilled. Let b be the vapor…

Q: 0.001 percent (v/v) ethanol solution is considered   Choices: saturated supersaturated concentrated…

A: Given: Volume by volume percentage of ethanol solution=0.001 % This has to be selected if it is a…

Q: After water and benzene are mixed, we see two layers. A True False

A: After water and benzene are mixed, we see two layers.   This is a True statement.

Q: In the process of a recrystallization, if crystals do not form upon cooling the solution, it is…

A:

Q: The separation and purification processes given below and the method used against them are given.…

A: The process in which the separation of components from the mixture of liquid by using the…

Q: Prepare the following solutions: 100.0 mL 0.0500 M stock Ca2+ solution 50.0 mL 0.0050 M working…

A: Given data, Concentration of stock solution = 0.0500M Concentration of desired solution = 0.0050M…

Q: A sample contains a mixture of t-butanol and n-butanol. What type of distillation, simple or…

A: Fractional distillation procedure is more efficient in separating the mixture into its components.…

Q: Why the temperature in the thermometer go up and down in distillation for multi component compound?

A: Solution :     Distillation is a separating technique for the different compounds by vaporization…

Q: Draw a phase diagram showing how the phase boundaries differ for a pure solvent compared with a…

A: The explanation is given below-

Q: To prepare 500 mL of 6 ppm of aqueous ethylene glycol, we need . . dissolve in 500 mL

A: 1 ppm = 1 mg/ L 6 ppm = 6 mg/ L

Q: A mixture of 6.0 g acetinilide and 4.0 g aniline is to be separated using 100 mL of water as…

A: Amount of acetanilide in mixture before separation = 6.0 g        Amount of aniline in mixture…

Q: How does the process of preparing an aqueous solution of known concentration from a stock solution…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: 1. What is the effect of varying the amount of solvent on the electrical conductivity of solution?…

A: 1. The more concentrated a solution is, the higher the conductivity is. In most cases it is a…

Q: How does the data display that water is a good solvent for recrystallization of benzoic acid?…

A: Temperature (C).    Solubility(g benzoic acid/L water) 0                                     1.7 25…

Q: cite literature that gravimetric analysis is used to test the purity of any soup product

A:

Q: Describe how to prepare  100 mL of approximately 60% (w/v) NaOH from solid NaOH

A: Given :-  %(w/v) of NaOH solution = 60%  Volume of solution = 100 mL  To describe :-  Its…

Q: Explain the simple distillation process in 10 sentences Enumerate all the apparatus used in the…

A: Simple distillation is the process in which two liquids can be separated out from the solution…

Q: What limitations are encountered in the application of sublimation as a general method of…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Describe how to prepare exactly 100 mL of 1.00 M HCl from 12.1 M HCl reagent.

A: Concentration or Molarity is defined as “the mole of the solute per unit volume of the solution”. It…

Q: Why must the flask be dry before it is heated in the hot water bath ?

A: Safety Precautions are crucial and must be followed during the course of the experiment. Caution…

Q: If I am determining the melting point of a water sample that contains NaCl in it, what would the…

A: A temperature at which a solid is in equilibrium with the liquid is called the melting point of that…

Q: What weight of HCl is present in 30mL of hydrochloric acid of specific gravity 1.19 and contains…

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Q: 1. Define melting point. 2. True or False. The meiting point of a pure compound is a characteristic…

A: 1. Any substance which has a definite mass and occupies a volume in space is known as matter. Matter…

Q: 1. What is the use of boiling chips? 2. List at least 3 limitations of using distillation as a…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: What limitations are encountered in the apolication of sublimation as a general method of…

A: The limitations are encountered in the application of sublimation as a general method of…

Q: An analyst wanted to separate an essential oil which is partially immiscible in water and a boiling…

A: When there is a difference between the boiling points of components present in the liquid mixture…

Q: Which dissolution process would be most exothermic? A. KCI in H20 B. CH3CH2OH in CH3OH C. C2H6 in…

A: Generally, there are three steps in each dissolution process. 1. Breaking up of bonding of solute…

Q: How many milliliters of a 17% w/v concentrate of benzalkonium chloride should be used in preparing…

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Q: Suggest the possible methods of separation of liquid–gas mixtures. Explain each method with an…

A: The method which is used for separation of liquid-gas mixtures is Distillation.

Q: In the preparation of 1,200 mL of 70% alcohol from stock absolute alcohol solution, what is the…

A: Here we will consider v/v % concentration, i.e. 70 % alcohol solution implies out of 100 mL solution…

Q: What are the significance of the melting point determination in pharmacy? (own words)

A: Melting point is the temperature at which solid Substance changes into liquid.  The branch of…

Q: Give a fundamental description of the recrystallization process. Explain why it is required and how…

A: Recrystalization is a purification technique not a separation technique.

Q: Briefly describe the principles for separating the components of a mixture by solvent extraction.

A: Extraction is the process of separation of substances from its aqueous solution by shaking with a…

Q: Assuming an initially impure sample of acetaminophen, would you expect its melting point to change…

A: After recrystallization  melting point of acetaminophen is decreased.  We know that melting point is…

Q: Explain the principle behind vacuum distillation.

A: Vacuum distillation is one of the processes that made industrial wastewater reusable. In this…

Q: In fractional distillation, the greater the length of a fractionating column: * the lower its…

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Q: In Purification by Recrystallization, why the solution must be filtered while hot?

A: Crystalization is a process in which the crystals i.e solid form of highly organised atoms or…

Q: in fractional distillation, how do you tell which liquid is in which fraction and which fraction has…

A: FRACTIONAL DISTILLATION is a separation technique in which two or more miscible liquids or gases are…

Q: Fractional distillation of the 50:50 mixture of two miscible liquids gave the following distillation…

A: Fractional distillation is a method to separate two miscible liquids which have boiling point close…

Q: Discuss the basic principles of the two distillation operations. Explain the difference of the…

A: 1) The two types of distillation operations are, Simple distillation Fractional distillation…