2. What total dilution would you need to produce a 2 mM sample from a 100 mM stock solution?

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: What is the most accurate way to measure 50 mL of a liquid?  Make sure to mention the process and…

A: Liquid can be measured by the various equipments. Depending upon the amount of liquid , the…

Q: Using Dimensional Analysis show all work to calculate the mass of a solution prepared from 100 mL DI…

A: Mass of solution = mass of water + mass of NaCl

Q: Newly produced beer must be checked to see if it meets predetermined standards. The percentage of…

A: The percentage of ethanol in the volume of beer is calculated by the formula: % of ethanol=Volume of…

Q: What volume in mL of 0.100 M solution would contain 65 mg of ethanol? Report your answer in standard…

A:

Q: e This diagram shows the apparatus used for distillation. What is the function of part X?

A: Distillation is one of the oldest and still most common methods for both the purification and the…

Q: one

A: We have been asked the amount of diluent to be added to make 1/10 dilution

Q: If you choose a serial dilution—what would you do?  Assume that you begin with a 1.0 M solution.…

A: 50% serial dilution translates to,1/50 dilution factordilution factor = initial volumefinal volume =…

Q: What does simple distillation data from the same mixture would look like?   2. Why does the…

A: As you not specify so I am giving answer of second question collecting the cyclohexene fraction…

Q: Read the Limit Test for salicylic acid in aspirin below then answer the question below. Remember:…

A: The amount of a substance that moves into a specific solvent to furnish the solution can be…

Q: (a) What is "Calcination" in Refractories? What is its purpose during the manufacture of…

A: Calcination is basically a purification process. It is the process of heating a solid at high…

Q: What is a thin film?

A:

Q: ayer Mass of Erlenmeyer Flask Calcium Hydroxide olution (lime water) Mass of Calcium Hydroxide…

A: Titration of Calcium Hydroxide (Ca(OH)2) with Hydrochloric acid (HCl) is- Ca(OH)2 + 2HCl…

Q: How many milliliters of 50% w/v solution should be mixed with 2175 mL of 10% w/v solution to make a…

A:

Q: Which flask is the best choice for precisely containing 10 mL of a certain liquid?

A: Graduated cylinders are the best choice for containing certain volume of a liquid . Graduated…

Q: What are the uses of recrystallization, decolorization, and sublimation?  Give  examples of each.

A: Recrystallization is process of removing insoluble solid impurities from an organic compound. The…

Q: Differentiate concentrated from diluted solution.

A: A solution is a homogeneous mixture of two or more components in which the particle size is smaller…

Q: Sublimation is preferred over recrystallization when you work with an amount of solid material to be…

A: There are many purification techniques. Sublimation and recrystallization are purification…

Q: 0. mL volumetric flask and dilutes to the mark v ence point. Round your answer to 3 significant d

A: moles of citric acid = ( mass / molar mass of citric acid )  moles of Citric acid = ( 0.133g /…

Q: For accurate measurements of unknown quantities, which concentration range - dilute or concentrated…

A:

Q: What volume of a 2.5mM extraction solution would you need to obtain a final concentration of 200μM…

A: Given: Molarity of original solution, M1 = 2.5 mM = 2.5×10-3 M Molarity of final solution, M2 = 200…

Q: How will you prepare 3.5 mL of 45 mM hydrogen peroxide from a 600 mM stock

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: when using a buret do your results depend on the initial volume in the buret or does the initial…

A: The dependency of initial volume of titrant in buret is discussed below

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: What hazards are involved in evaporating a solvent from a solution in a laboratory environment?

A: Solution is made up of two components: Solute and Solvent. Component which is present in major…

Q: A top-loading weighs to + 0.5 g. How many mg is that?  Please showe step by step solution

A: Since we know that,  1 g = 1000 mg  Given, weight = 0.5 g

Q: Why is fractional distillation more efficient than simple distillation when purifying liquid…

A: Fractional distillation is used to separate a mixture of liquids with similar boiling points…

Q: Describe how to create a 3.0 mL sample with concentration of 1.5 x 10-4 M from a starting stock…

A: Dilution Dilution process is the process to change (decrease) the concentration of solution in…

Q: Place 10 drops of the solution to be analyzed, mix thoroughly and centrifuge. ordinary test tube…

A: A centrifuge is a device that uses centrifugal force to separate materials. It separates the…

Q: What substances did not pass through the filter paper?

A: The process of separation of a solid substance from the liquid is known as filtration. It can be…

Q: A pipette is used to deliver specific volume of solution. Which type of pipette would you use to…

A: Two common types of pipettes used are volumetric pipettes and micropipettes.

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: Differentiate powder from granules? Make it in table form.

A:

Q: Given the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Step 1 Stock solution of 0.019 M ascorbic acid To find :-  Amount of water needed to make the…

Q: List the precautions to be taken to keep a balance functioning correctly.

A: Given : Balance functioning correctly  To find : Precautions for proper functioning of balance…

Q: Preparations of Solution by Chemical Reaction are classified as extractives. a)true b)false

A: Given: Preparations of solution by chemical reactions are classified as extractives.

Q: Find the volume of the 5.5% m/v stock solution if it will be diluted to 80mL 4.8% m/ v Diluted…

A: Given : We have to find volume .

Q: You need to prepare a solution of 0.123M CuSO4 by starting with solid CuSO4·5H2O. You would be able…

A: To prepare a certain concentrated solution from the solid substance, we must decide the amount of…

Q: What are the areas of improvement for simple distillation and refluxing?

A: A question about method of purification, which is to be accomplished.

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A: Given : molar concentration of dilute solution of luminol = 4.00 × 10-2 M  Volume of solution = 2.00…

Q: When bromoform (d=2.89 g/ml) and water ( d=1 g/ml) are mixed, two layers form. Is the bottom layer…

A: Given: Density of bromoform = 2.89 g/mL. And the density of water = 1 g/mL.

Q: 3 ways to separate water to a liquid mixture and its step by step procedure

A: 1. Fractional distillation is a method for separating a liquid from a mixture of two or more…

Q: During a laboratory experiment, a student mixed two homogeneous aqueous solutions.  After mixing a…

A: Since the solution is having a precipitate in it. Hence we want to separate the solid from liquid.

Q: 900. mL of 0.20 % (m/v) NaCl from 6.9 % (m/v) NaCl  what is the initial volume in mL?

A:

Q: What is the average percentage by volume of ethanol for this batch?

A:

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: When purifying a sample of aspirin that was produced in the lab, the impure aspirin sample should be…

A: Given: When purifying a sample of aspirin that was produced in the lab, the impure aspirin sample…

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.