When would it be preferable to use a plastic volumetric flask instead of a glass flask?

Q: For exacting the measurements of liquids in graduated cylinders, pipettes, burettes, and volumetric…

A: For exacting the measurements of liquids in graduated cylinders, pipettes, burettes, and volumetric…

Q: why is it necessary to use decarbonated cola?

A: To do titration of cola we need decarbonated cola.

Q: Describe chromatography. Include the following words: Physical change, Intermolecular Forces,…

A: physical change: A change in the physical condition and  properties of substance that is change.…

Q: ions of a glass versus a plastic volumetric pipette

A:

Q: Write functions and procedure of analysis of various volatile organic molecules by using Gas…

A: Given: Functions and procedure of analysis of various volatile organic molecules by using Gas…

Q: Which solvent should be used to wash the solid material collected from a filtration? Select one: The…

A: The process which is used for the separation of solids from liquids or gases using a medium like…

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

A:

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 4.53 micromolar…

A: Dilution :-  If a stock solution of molarity M1 and volume V1 is diluted by adding water to a…

Q: Can paper chromatography be used to separate and identify very volatile substances? How do I prove…

A: Mss

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: Why is filtration of a gelatinous precipitate done while the solution is still hot?

A: The filtration of a gelatinous precipitate done while the solution is still hot.

Q: This is the laboratory apparatus used for liquid-liquid extraction. Florence flask Volumetric flask…

A: For liquid liquid extraction is extraction of a particular compund from a solution with the help of…

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 1.51 micromolar…

A:

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: When isolating a solid compound after recrystallization, which is the appropriate technique to use,…

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

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: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 6.04 micromolar…

A: Consider the given information is as follows; Concentration of stock solution M1=15.1 μM Volume of…

Q: Describe chromatography analysis, the two essential phases used in paper chromatography and provide…

A: Chromatography is an analytical technique used for the identification, separation and purification…

Q: Report the volume of liquid in the pictured 50-mL burette with con 10 11

A:

Q: 2. How would each of the following procedural errors affect the results to be expected in this…

A: Hello. Since the question contains multiple subparts, the first three subparts are solved. In case…

Q: Which properties would be ideal in selecting the compound to be used as a primary standard for…

A: A primary standard solution of a compound is used for the standardization of a solution of another…

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

A: M1 x V1 = M2 x V2

Q: Types of volumetric analysis are. O Three. Four. Five.

A:

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: What is the full form of ppm ? For what purpose it is used.

A: The term ppm can be described as the types of the mass related units that would be used to determine…

Q: Explain in detail how you would make the solution from the previous question (50.00 mL a 300 ug/dL…

A: We have to prepare 50.00 mL of a 300 μg/dL solution from a 1500 μg/dL stock solution. So, here the…

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: What is the tolerance na 100-ml volumetric flask? a. 10.16 ml O b. +0.40 mL OC. 10.05 mL O d. 10.60…

A: Volumetric flask is used in the measurement of volume of liquid for various purposes in…

Q: Relate physical pharmacy to pharmaceuical formulation

A: Physical pharmacy  forms the basis for design, manufacture, and distribution of drug products and…

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 3.02 micromolar…

A: In this question we will determine volume of 15.1 micromolar stock solution that are needed to make…

Q: Explain what would happen in a distillation if a student placed the thermometer bulb above the…

A: Answer -  Distillation - Distillation, or classical distillation, is the process of separating the…

Q: In recrystallization, fluted filter paper is used instead of a regular cone because it minimizes its…

A: In recrystallization, an impure solid compound is mixed with hot solvent to form a saturated…

Q: Calculate the volume of concentrated (98% v.v) H2SO4 that you will need to prepare 250ml of an 5.4 M…

A: Given: Concentrated solution is 98% v/v Volume of diluted solution = 250 ml Molarity of diluted…

Q: How many milliliters of 15.7% (v/v) acetic acid would you need to use to get 39 milliliters of…

A: Given-> (V/V)% = 15.7 %  Volume of acetic acid solution = 39 millilitres

Q: What is the level of the liquid in the gatuted oede Volume mL. 70 60

A: Everything that has and occupies space is called matter. Solids, liquids, gases are the three states…

Q: Ter solution differ from an unbuffered solution

A:

Q: Which of the following statements about the mobile phase in Supercritical fluid chromatography (SFC)…

A: Gas chromatography is a type of chromatography used in analytical chemistry used for separating and…

Q: What two ionic compounds are dissolved in the filtrate after the suction filtration step What two…

A: The above reaction is an example of double displacement reaction and a well known procedure for…

Q: Types of volumetric analysis are. * Three. Five. O Four.

A: Titration can be defined as the process of determining the concentration of an analyte by adding…

Q: Difference between gravimetry and volumetric methods

A: Introduction :  Titration is a process in which chemical analysis of the quantity of some consistent…

Q: What roles do solvent, density and polarity play in liquid/liquid extraction

A: i. Solvent =  In liquid - liquid extraction, the solvent which is needed to be extracted should not…

Q: why was ice bath and room tempertature used instead of hot bath?

A:

Q: What do the symbols TD and TC mean on volumetric glassware?

A: Volumetric flask calibration: In the calibration of volumetric flask, the dry empathy flask was…

Q: Define the proper uses of the following laboratory glassware:   Define the proper uses of the…

A: In laboratory various types of equipments are used.Some important glasswares are pipette,volumetric…

Q: Give some advantages of steam distillation over simple distillation.

A: Steam distillation is a process used for separating and purifying isolate temperature-sensitive…

Q: What variables must be controlled if satisfactory quantitative data are to be obtained from…

A: Chromatography is an analytical method for distinguishing different parts of a mixture depending on…

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…

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.