Detection of Choline Reagent’s Composition Observations: Inferences: What is the principle behind this test? Identify the gas that evolved after the reaction.
Q: How will you demonstrate the purity of your final product (crude or recrystallized)?
A: To demonstrate the purity of the final product
Q: Which would affect the accuracy of a melting point determination? Using a thermometer that has not…
A: Melting point is the temperature at which solid converts into liquid.
Q: Answer the following questions. What are the reasons for determining the ash content of a drug?…
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Q: yield
A: The reason behind this is the presence of impurities.
Q: If you do not heat your crucible strongly enough to remove all volatile impurities when you heat the…
A: The loss of water happening during the inital heating or during the second heating is not relevant
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A: Given, Mass of the sample containing ascorbic acid = 0.258 g Molarity of NaOH = 0.100 M = 0.100…
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Q: Which method can be used to prepare CH3CH2CH2CH2NH2? NH3 (large excess) (a) CH3CH2CH2CH2Br -> (1)…
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Q: oles of I-(x 10) noles of Pb2+ (x 10-5) noles of Pb2+ (X 10-5)
A: 1) 5 mL of 0.012 M Pb(NO3)2 gives 0.012 *5mmol= 0.06 mmol of Pb2+.
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Q: In 6.75g of distillate >130C. After performing all necessary GC calculations, it is determined that…
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Q: What is the function of the warm-water-in in a distillation set-up?
A: Distillation is the process of using heating and cooling to separate and purify the components of a…
Q: An oil sample had its iodine number determined using the pyridinium tribromide method. The sample…
A: To calculate iodine number, using formula: I.N=BmL-SmL*1.269 g/mLW(g) W (g) = weight of oil in gram…
Q: What is a reagent blank? Why should we include this in making our calibration curve?
A: A reagent blank refers to a small positive error in test results that comes from the reagents…
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Q: Melting point: 98-105 Percent yield: 60% did you successfully make pure product? Explain.
A: A question based on IR spectroscopy, which is to be accomplished.
Q: Suppose a student performs this experiment and obtains a molecular weight of 70 g/mol for isopropyl…
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Q: Use a flow chart to show how you could separate a mixture of the following compounds using an…
A: Given a mixture of Compound 1 Compound 2
Q: HBr a. HC=CCH3 peroxide HBr b. HC=CCH3 excess HBr c. HC=CCH;
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
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Q: 3a. What is the number of components for the formulation: "Mineral oil + isopropyl alcohol"?…
A: To answer the components, formulation and degrees of freedom of Mineral oil + isopropyl alcohol
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A: Volume of alcoholic mixture = 36 mL Volume of distillate collected = 18 mL Remaining volume in the…
Q: 1.Each of the student statements below is wrong. You will need to explain why they are not correct.…
A: There are some of the common tricks associated with recrystallization to get a relatively pure…
Q: If you had weighed the product before drying with the vacuum, would your % yield of the product be…
A: We have to predict the type of % yield.
Q: Practie Use a flow chart to show how you could separate a mixture of the following compounds using…
A: Given that Tha separation mixture
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Q: Sodium hydroxide and Hydrochloric acid mixture If concentrated nitric acid were used in…
A: Hydrochloric acid : HCl Nitric acid : HNO3
Q: Please answer the question at the bottom, Thanks. LAB NOTES FOR PREPARATION OF BUTYL MAGNESIUM…
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Q: How does one determine the percentages for each of the products (i.e. 1-chloropropane, 40%)? Is it…
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Q: Give the equation for boiling point correction and explain the meaning of each variable. Why do we…
A: As we know Boiling point is the temperature at which a liquid start to boil.
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Q: Show the entire multistep reaction scheme from butyl alcohol to final product.
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Q: How would each of the following errors affect the experimental value of your molarity of acetic?…
A: The balanced reaction of titration of acetic acid and NaOH is as follows: a) Acetic acid has been…
Q: Concentrated hcl has a specific gravity of 1.185 and is 36.5% (w/w) in HCl. Describe how 1.0 L of…
A:
Q: 1) Suppose a student performs this experiment and obtains a molecular weight of 70g/mol for…
A: Sources of errors to obtain molecular weight of isopropylalchol. The percentage error in measuring…
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A: A question based on yield of the experiment, which is to be accomplished.
Q: Chemistry give final product and fill in the four blanks for the second one [#¹] +
A: Note- Dear student , since it is a multiple questions so I solved first question according to rules…
Q: How can We use GC analysis to confirm the identity of the product?
A: Gas chromatography is an analytical technique used for the separation of chemical components of a…
Q: 1. What can you conclude if your dry aspirin sample has a lower melting point than the literature…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Detection of Choline
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Reagent’s Composition |
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Observations: |
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Inferences: |
What is the principle behind this test? Identify the gas that evolved after the reaction.
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Step by step
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- Please explain how you got your answer and/or state the name of the concept. Thank you!How does the analyzed vinegar sample conform with the FDA standards?how to dilute a stock solution 10 fold places 1.0 mL of stock into a clean test tube. what volume of water do i need to properly dilute the sample?
- This topic is about organic andinorganic compound. This is for our laboratory, don't have access to b and c. I am hoping that you did the same experiment before. Please guide me. 1. What will happen if:(a.) You heat a pinch of table salt in a clean, dry test tube for two minutes then cooled down.(b.) You Heat a pinch of cane sugar in a dry pyrex test tube.(c.) You Heat a benzoic acid in a dry pyrex test tube. 2. Give a general statement as to the difference in stability towards heat of organic and inorganic compounds. Thank you so much in advance, ask me some questions if something is missing.Answer the following questions. What are the reasons for determining the ash content of a drug? What is the purpose of heating the crucible to dull redness until a constant weight is obtained? What are the possible contents of the Total Ash and Acid-Insoluble Ash obtained from the sample drug used?Give the examples of emulsion prepare by these method:- 1)dry gum method 2)wet gum method 3)bottle gum method
- Assume that charcoal and sugar are the two main impurities in the sample of benzoic acid. Explain how you could perform recrystallization using water toremove each impurity.How much of the suspending agent is needed to prepare a 60-mL preparation of Aluminum hydroxide gel based on this formulation? Ammonium alum 800 g Sodium carbonate 1000g Peppermint Oil 0.01% (0.01 g/100mL) Sodium benzoate 0.1% (0.1 g/100mL) Purified water, qs ad. 2000 mL a. 0.06 g b. 30 g c. 24 g d. 0.006 gPlease write the state of matter after each compound. Also write clearly please.
