Which of the following is least likely to undergo a smooth crossed Claisen condensation with methyl pentanoate? (CH3O)2CO HCO₂CH3 PhCO2CH3 PhCH₂CO₂CH3 (CH3)3CCO2CH3

Q: In a serial dilution experiment, you take 1 mL of a solution that is 0.5 M and carry out 4 serial…

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Q: When a solution is diluted, the concentration of the solution increases.   Question  options:…

A: We know that Dilution refers to the process of adding additional solvent to a solution to decrease…

Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: I need help with this questions and this are the names of the substances 1.Distiled water-not…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Complete the following reaction

A: Ester can be reduced into secondary alcohol by the reaction with Grignard reagent or alkyl lithium.

Q: How many moles of HCl are there in 75.0 mL of 0.480 M HCI?

A: The question deals with the molarity of solution. It is the number of moles of solute present in per…

Q: How many moles of NaOH are present in 12.5 mL of 0.210 M NaOH?

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Q: When a solution is diluted, the amount of solute increases.   Question options:   True   False

A: Dilution refers to the process of adding additional solvent to a solution to decrease its…

Q: STARTING AMOUNT Determine the total volume in milliliters of water a chemist should add if they want…

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Q: Expand the units of molarity for this solution: 0.035 M CaCl2 When the units are expanded, enter the…

A: Molarity = number of molesvolume in litres

Q: What is the mass of 1 mL of pure water? How could this information be used to check the accuracy of…

A: Density of a substance is defined as its mass per unit volume.

Q: A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and…

A: Concentration of aspirin is expressed in term of molarity. Molarity is the number of moles of solute…

Q: d) A stock solution of potassium hydroxide, KOH, is 1 mol dm³. X cm³ aliquot of this solution is…

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

Q: What can be said about strong acids and bases?

A: Acid: Which gives H+ ion in the solution. Base: Which accepts H+ ion in the solution.

Q: 0.5 grams of sodium chloride is di

A: Theoretically we can calculate the concentration of the given solution.   But practically it is not…

Q: To what volume should you dilute 30mL of a 13 M stock HCl solution to obtain a 0.580 M HCl solution?

A: Since the dilution is a process in which we just add water to increase the volume of the solution…

Q: how many mole in 22.6 g of NaF? Give stepwise Solution!

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Q: B. Answer the following questions. Show calculations where applicable. Observe the use of…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: Mass of empty beaker: 30.453 g 31.909 g Mass of beaker plus sample, before heating: 31.176 g Mass of…

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Q: e Brand X titration, the mass of antacid sample was 0.486 g. When titrated, a total volume of 16.67…

A: Titrations are used to find out the volume or concentrations of unknown samples. The concentration…

Q: student begins lab with 238.6 ml of 3.6 Hcl. They re instructed to dilute solution so that the…

A: Initial volume of HCl= 238.6 mL Initial concentration of HCl = 3.6 M Final concentration of HCl =…

Q: III) assigned to you by your lab instructor. To prepare this solution, you need to weigh grams of…

A: The molarity of a solution is the number of moles of solute dissolved per litre of solution.  Here…

Q: It requires 24.15 mL of 0.03 M HCl to neutralize 38.2 mL of a NaOH solution. What is the…

A: We will write the balanced reaction and then using stoichiometric calculations we will calculate the…

Q: Determine the total volume in milliliters of water a chemist should add if they want to prepare an…

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Q: Which of the following compounds was tested positively with lodine solution? * Salicylic acid…

A: For, Synthesised aspirin, salicylic acid, and benzylic acid, the iodine test is negative. The iodine…

Q: Why was a gas at low pressure taken by Thomson while conducting the experiment? Explain and…

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Q: How much water must be added to 510. mL of 0.185 M HCl to produce a 0.146 M solution?

A: Since we are adding water, this is a case of dilution.  Before dilution:  volume, V1 = 510. mL…

Q: Part 1 of 2 Determine the pH of a 0.30 M NH3 solution. Be sure your answer has the correct number of…

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Q: Explain the difference between a general mixture and an aqueous mixture.

A: Mixture is combination of two or more chemical substances which are not chemically combined.

Q: Explain The Nature of Acids and Bases?

A: Acid are the compound which contain one or more hydrogen atoms. These compounds on dissolved in…

Q: Part II. Preparation of 50 mL 0.5% NaCl solution Materials: NaCl, weighting boat, spatula, balance,…

A: Given that, You have posted multiple questions, according to guidelines I am solving first one.If…

Q: Calculate the mass in grams of NaF needed to prepare 0.50 L of 1.47 M NaF solution. Enter your…

A: Molar mass of NaF is (23 + 19)g = 42g/molesGiven molarity = 1.47 M and volume = 0.5 LNow we know,…

Q: written in the first two columns of the table below. Each compound is soluble in water. Imagine that…

A: Concept of assosiation and dissociation of molecules can describe this.

Q: An acid will always neutralize a base to form a salt and water.   True or False?

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Q: You are asked to dilute 10.0 mL of 12.0 M HCl with enough water to make a 1.09 solution. How much…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…