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

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: Once you choose the appropriate solvent, how much solvent should you add to your sample to dissolve?…

A: A solution can be defined as the mixture that consists of two components; solute and solvent. Here…

Q: A solution failed to undergo recrystallization. Which of the following steps may be taken to induce…

A: Crystallization is one of the purification technique use to separate the desire compound from the…

Q: (Calculation) If your unknown solution is first diluted 11 times and then a 30ml aliquot is taken…

A: Given: Unknown solution is diluted 11times then 30 mL aliquot is diluted to 50mL volume.

Q: When dissolving salt in water, what would be the effect on the dissolution rate if a 1, 0g chunk…

A: The rate of dissolution means how fast or slow the dissolution is. The rate of dissolution mainly…

Q: 8. Why should you boil the sample solution right before reaching the end point?

A:

Q: Which property is the basis of the purification technique recrystallization? Select one: Color…

A: To solve this problem we have to know about purification technique recrystallization .

Q: Find the molar concentration of 23.5% w/w LiBr solution (Density = 2.05 g/mL)

A: Given :  w/w% = 23.5 %  Density = 2.05 g/ml

Q: Consider the following scenario: After the first compound elutes off of the column, you collect…

A: We should follow these steps to avoid contamination. A. As we don't know how many…

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: It is tempting to maximize the amount of product isolated by continuing the fractional distillation…

A: Answer -  fractional distillation - Fractional distillation is the separation of a mixture into its…

Q: Why you should not start a titration with zero mL as an initial volume

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: Fill in the words to complete the steps in the process of recrystallization. 1. Dissolve a substance…

A: Three questions based on recrystallization process, which are to be accomplished.

Q: What is fractional distillation and distillation with the use of a fractionating column; how it is…

A: By selective boiling and condensation, it is possible to separate components in a liquid mixture.…

Q: Why would buffered solution tests be compared to distilled water?

A:

Q: C. Preparation and storage of standard solutions 1. Use the weighed and transferred NaCl powder in…

A: Let's do the schematic diagram according to the procedure given in the question.

Q: 5. Why is it important that your glassware be dry for Part 2? Postulate as to what would have…

A: This is an equilibrium reaction, and the colour of the solution depends on the compounds present at…

Q: What are in the distillate collected from the distillation?

A: (1) A receiver

Q: Which of the following is not a property required of the substance chosen for use as a precipitate…

A: Introduction :  Gravimetric Analysis is a technique through which the amount of an analyte can be…

Q: The weight of saturated NaCl was obtained by weighing the collected solid. Was this an accurate…

A: Mass percent is the mass of solute added in 100g of solution. mass percent = mass of solute mass of…

Q: In an experiment, is a 100% yield possible in recrystallization? Please explain.

A:

Q: Compare the three main purification methods (recrystallization, distillation, and extraction) by…

A: The three main purification methods are recrystallization, distillation, and extraction.. With the…

Q: Why must a boiling stone be added to a solution to be refluxed?

A: The boiling stone is added while refluxing the solution because -

Q: Recrystallization and Melting Points Why do we perform recrystallization?

A: Pure substances have a sharp melting point and when impurities are present, they tend to change the…

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

A:

Q: You are a student in Mrs. Bateast's Chemistry class and you were given the assignment to compare…

A: The solubility of a compound is increased by increasing temperature. It would continue up to the…

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: 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: Describe the steps involved in recrystallization.

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

Q: Why use plastic reagent bottle for the storage of the standard NaOH solution instead of typical…

A: NaOH is a base. It is hygroscopic in nature. Hygroscopic means tends to absorb moisture from air.…

Q: Describe the basis of operation of the following separation methods.  i. Precipitation ii.…

A: Precipitation, distillation, extraction all are methods to separate components from it's mixture.…

Q: You measure your drug concentration in solution at ten minutes and an hour. You get 2 mg/ml at ten…

A: At 10 mins,Concentration = 2 mg/mlAt 60 mins Concentration = 12 mg/ml

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: In determining the solubility of a solution,  why it must be first saturated?

A: The reason for, determining the solubility of a solution, why it must be saturated has to be given.

Q: How to find weight of HAc in original solution in grams?

A: Given: Concentration of acetic acid(HAc) = 0.5306 N Volume of the solution = 80mL

Q: Isopropanol and water are miscible, meaning they can be combined in any ratio. So why were they…

A: 1. Isoprapanol and water are miscible due to formation of intermolecular hydrogen bonding.  2. But,…

Q: Write a step-by-step prodcedure how how to create 100.0 mL of a 0.024 M solution of potassium iodate…

A: In Analytical chemistry, quantitative analysis is used to determine the absolute quantity of a…

Q: In general terms, please describe how to carry out a recrystallization. Just give the steps that…

A: Recrystallization is a slow process by which a solid organic compound can be purified. In this…

Q: What will be the soufflé’s volume after cooking? Show complete solution

A: The pressure of the soufflé’s batter remains same and we need to relate the volume change of gas…

Q: You are tasked with performing a recrystallization. You have 3 potential solvents to use, but you…

A: The solution is given below -

Q: Why do you need to swirl the flask constantly during the titrimetric analysis? a. To look cool…

A: Titration: It is an analytical method to find out the concentration of a solution with a known…

Q: Why is the solution filtered while it is hot?(Explain in 5 sentences)

A: Filtration is a technique in which the impurities particles are separated using a filter paper over…

Q: If the 125 mL Erlenmeyer flasks used in this experiment, (Standardization of a Sodium Hydroxide…

A: Molarity of the solution is dependent on the concentration. When the small amount of distilled water…

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: 4. What specific effect, if any, would each of the errors below have on the calculated concentration…

A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: Why might it be necessary to employ procedures such as the use dilution and in-use tests?

A: Step :1  A use dilution test is the another method for testing the efficacy of the disinfectant.In…

Q: In your own words, why the storage bottle should be a dark or AMBER-colored reagent bottle in the…

A: Potassium Permanganate is a photosensitive compound. The solution of potassium permanganate (KMnO4)…

Q: Attached problem

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

Q: In the external calibration method used in water analysis, which volume should be kept constant? *

A: For an external standard quantitation i.e. known data from a calibration standard and unknown data…