Althea extracted 2g of pure dry salt frame 6g of rock salt. The mass of the salt obtained is less than the mass of rock salt because the rock was removed by ______? a dissolving b. distillation c. evaporation d. decantation

Q: 61. This process is called 2 5 O Paper chromatography Thin Layer Chromatography Column…

A:

Q: Which of the following is INCORRECTLY paired? a. SDS-PAGE : Size b. Gel filtration chromatography :…

A:

Q: Which of the following are necessary steps in performing paper chromatography?    I. Saturate the…

A: In paper chromatography the necessary conditions are 1. The chamber should be saturated with the…

Q: . Which type of curve is normally produced when plotting the change in the concentration of a specie…

A: Answer are:

Q: 3. What is particulate gravimetry? When do we use this technique?

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: Can you use chromatography to purify a mixture? Why?

A: Chromatography is a process for separating components of a mixture.

Q: Which technique is based on the stronger attractionsome components have for the stationary…

A: In chemistry, when a reaction is performed between the reactants, that just does not involve mixing…

Q: what is chromatography? Explain different types of chromatography and explain how to seperate…

A: Chromatography is a laboratory technique. It is use for the separation of the components or solutes…

Q: The paper used in chromatography is made of molecules with___parts A polar  B nonpolar

A: The  paper used in chromatography is made of cellulose fibre molecules.

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

A: Mss

Q: 4. Give the function of the following parts of the spectrophotometer. b. Collimator C. Slit d.…

A: (a)Collimator-It is a device for changing the diverging light or other radiation from a point source…

Q: How does chromatography separate the components of leave samples? 2. Can you use chromatography…

A: In a chromatographic system, the sample is transported through the stationary phase by a liquid or…

Q: 3. A student performs a separation by TLC on a silica get plate that results in three spots. A red…

A: To calculate Rf values of each component in the TLC separation and also determine the order of…

Q: 6. The following data apply to a column for liquid chromatography. A chromatogram of a mixture of…

A: -------------------------------

Q: 4.Discussed the Purposed of the Golden rules in the practice of Forensic Chrmistry.

A: The application of chemistry and its subfield which deals with toxicology in a legal manner is study…

Q: In thin layer chromatography (TLC), explain how the pigments separate on a piece of paper. 2. If…

A: To ensure that the colours separate into independent bands that do not overlap as they migrate up…

Q: Can paper chromatography be used to separate and identify very volatile substances? Why? Please…

A: TLC means “Thin Layer Chromatography”. This experiment is done on Wattman paper. If the molecule has…

Q: Based on the information given, what separation technique(s) is/are most likely feasible? please…

A: The two liquids in the mixture having the difference in the boiling point greater than 25 0 C can be…

Q: 25. In the paper chromatography experiment on food dyes, salt water was used as the A. mobile phase…

A: Paper chromatography is a method used to separate colored substances or chemicals.

Q: _is a technique which is used to separate a single chemical 3. compound from a mixture dissolved in…

A: Chromatography can be defined as the technique used for separating mixtures with the help of a…

Q: 68. This process is an example of O Liquid Chromatography O Atomic Absorption Spectrophotomer O Thin…

A: Liquid chromatography is used to identify and seperate each part of a solution. Atomic Absorbtion…

Q: PART1: Put True (T) or False (F) for the following sentences: 1. chromatography" derived from two…

A: 1. True 2. True 3. False 4. True 5.False

Q: What is the stationary phase in thin layer chromatography and its polarity? Choices: Cellulose -…

A: In thin layer chromatography(TLC) silica is used as stationary phase. Silica is a polar adsorbent .

Q: 19. What is thin layer chromatography (TLC) LEAST useful for from the list below? A) To determine if…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Choose the separation techniques that rely on differences in boiling points. A. Simple distillation…

A: To identify: The techniques which use the difference in boiling point for separation.

Q: [1] In paper chromatography, why do some ions move only a short distance from the point of…

A: In paper chromatography, the stationary phase is the water present in trapped state between the…

Q: 1. In thin layer chromatography (TLC), why do you need to use a pencil in marking the spots, origin,…

A: 1. Marker spot is soluble in the solvent. Therefore it will move on TLC plate with solvent. 2.…

Q: What is the application of chromatography (HPLC) and it's mechanism ?

A: Answer.

Q: 6. The following are disadvantages of using filter paper in gravimetry, which is not included? а.…

A: 6) c is the correct answer.  IN the Gravimetry we uses the ashless filter paper to achieve the…

Q: Chemistry 1. In anion exchange chromatography, the stationary phase negatively charged. a. True…

A: #1:  Ion exchange chromatography, as the name suggests, is a technique used to separate charged…

Q: What is paper chromatography please include the importance of using it

A: Introduction :  Chromatography can be defined as a technique for separating different component of…

Q: Which error will lead to negative deviation from the theoretical Keq? a. cuvette was filled to the…

A: Which error will lead to negative deviation from the theoretical Keq. Answer :               Correct…

Q: 5. What would be the effect of the following errors in chromatographic work? a. The solvent level in…

A:

Q: 5. Which term is INCORRECTLY defined? a. linear range - the range over which the response of an…

A: All definitions of the terms that are widely used in analytical chemistry.

Q: Which statement(s) are correct for gas chromatography? A) the components in a mixture can be…

A: To find, the true statement form the below, A) the components in a mixture can be identified from…

Q: 1. _________________is used in the process of paper chromatography.  A. Filter Paper B. Whatman…

A: 1. Paper chromatography technique is used to separate the dissolved chemical compounds based on…

Q: Which type of chromatography is paper chromatography? a.Column normal phase chromatography b.Planar…

A: Planar chromatography based on the distance travel by the components of mixture in specific time.…