Why use plastic reagent bottle for the storage of the standard NaOH solution instead of typical glass reagent bottle?

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: A K2SO4 solution is prepared by weighing out a certain amount of the pure solid reagent, dissolving…

A: Given that the concentration of K+ in the final solution is 0.100 %(w/v). The final solution is made…

Q: A good recrystallization solvent is one in which the crystals don't dissolve when the solvent is…

A: Recrystallization is a purification technique used to obtain pure crystals from a mixture of solids,…

Q: This method of purification is applied when the purity has a lower vapor pressure than the purified…

A: the process in which a substance directly goes from solid state to gaseous state without going…

Q: Please draw out the apparatus illustration for normal distillation and key points in this process

A: Please find your solution below : The apparatus illustration of normal distillation process is as…

Q: Why is recrystallization not applicable to samples which contain large amount of impurities?

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Q: What is the purpose of the laboratory exercise about simple distillation and fractional distillation

A: To refining the liquid through a separation process is known as distillation. The main purpose…

Q: Draw an outline of the recrystallization process- Assume all types of Impurities(Soluble, Insoluble…

A: Recrystallization is defined as a technique which is used to purify the solid compounds.

Q: Explain the difference between saturated and unsaturatedsolutions.

A: Solution: It can be defined as that the homogeneous mixture of two or more substances. For example:…

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: A group was given the responsibility of performing a recrystallization experiment in their…

A: Solution- Data given- compounds A and B. Solubility in g/100 mL solvent.

Q: Briefly explain why crystals form as the solvent cools during recrystallization.

A: We use recrystallization to remove impurities / purification in organic chemistry . For this process…

Q: Refer to procedure in Part 1 of your lab manual. You have a solution that you wish to test for…

A: Benedict test is used to determine the presence of reducing sugar in water. Benedict's solution is a…

Q: What are the differences between a simple distillation and steam distillation?

A: Answer: Distillation is a separation technique in which one of the components of mixture is being…

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: What is the reason for cool water in an water out in distillation?

A: During distillation, the vapors are condensed. To absorb more and more the cold water is passed from…

Q: a mixture containing only water and salt must be boiled to seperate the salt from water true or…

A: Yes the above statement is TRUE. But the above boiling must be done in a distillation flask.

Q: Why do polar solute dissolves in polar solvent? And why does non polar solute dissolves in non polar…

A: The solubility of organic molecules is often summarized by the phrase "like dissolves like." This…

Q: 6. In a recrystallization, why is it important to dissolve the solute in boiling solvent instead of…

A: The correct answer is (a) To melt the solute.   In a recrystallization, the goal is to dissolve a…

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: 2. When performing the recrystallization of an impure solid, why is it advised to use the minimal…

A: Recrystallisation is a technique is used to obtain the pure compound from the impure mixture.  It is…

Q: A sample is analyzed for chloride using the Volhard method. What is the percentage chloride as NaCl…

A: Given, Weight of sample: 303.0 mg AgNO3 used: 40.00 mL of 0.1234 M KSCN used: 12.20 mL of 0.0930 M…

Q: What is the theory behind recrystallization purifying a solid?

A:

Q: recrystallization

A:

Q: Differentiate between simple distillation and fractional distillation. Please elaborate.

A: Simple distillation and fractional distillation

Q: Aspirin could be recrystallized by dissolving in ethanol and adding water.  Explain the logic for…

A:

Q: The distillation flask is best     completely filled with mixture   as large as available…

A: At the beginning of the distillation, the distillation pot should be between one-half full and…

Q: When conducting a recrystallization what should generally be true when comparing the compounds…

A: Recrystallization is an experimental technique of separating pure compound from the solution…

Q: why two-solve

A: The objective of the question is to provide a description of the two-solvent system and its uses in…

Q: Why do two layers form when solutions containing water are added to the extracted dichloromethane…

A: Please find your solution below : Water and dichloromethane are two immiscible liquids which means…

Q: What are the steps in diluting high concentration of stock solutions into lower concentration…

A: During dilution, concentration changes but no of moles remain same. So, M1V1 = M2V2 Let-…

Q: Part IV. Preparation of 100 mL 25% Solution X Materials: Solution X, measuring cylinder, distilled…

A: 100 ml of 25% solution of x is need to prepare Volume of solution x= 25% of 100 ml = 25 ml  So…