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- Give me the answer with proper explanation. Hand written solution is not allowed.pl2) please answer and explain. If the 125 mL Erlenmeyer flasks used in this experiment, (Standardization of a Sodium Hydroxide Solution), were washed and rinsed with distilled water but not dried prior to use, how owuld this affect the calculatoed concentration of the standardized NaOH solution?What will be the result (description of appearance) of Tennessine and Potassium bromide solution
- You are the manager of a chemical stockroom, and find a bottle containing approximately one liter of aclear and colorless solution of unknown identity and concentration. Your only clue to its identity is thatit was found between bottles of silver fluoride and sodium fluoride, so it is likely an aqueous solution ofone of those two compounds. You will need to develop a procedure to determine the following:a) The identity of the unknown solutionb) The concentration of the unknown solutionWrite out a precise procedure, which includes all glassware, reagents, and steps. You will also need towrite the calculations that you would need to determine the concentration of the solution. Assume thatyou have access to any reagent you might need. You may also assume that you have access to commonlaboratory equipment. You observed some examples of laboratory equipment within the VirtualChemistry Laboratory simulations. You may visit the virtual lab at chemcollective.org to refamiliarizeyourself with…A student carried out an experiment trying to prepare tetra-methyl-ammonium tri-iodide.The student weighed 1.13 g tetra-methyl-ammonium iodide into a beaker containing 25 mL ethanol, and then added 1.57 g of iodine. The mixture was heated gently, whilst stirring, on a hotplate until tetra-methyl-ammonium iodide, a white powder, was completely dissolved. After the mixture was allowed to cool down to room temperature, the mixture was further cooled on ice. After filtration on a Buechner funnel, washing with diethyl ether and leaving it under vacuum suction for a couple of minutes, the student recovered the product and weighed it. The mass of the obtained tetra-methyl-ammonium triiodide was 1.62 g.What is the yield of the reaction in percent [%]? For the calculation, assume that the product is completely dry and pure, so there are no impurities like side-products, unreacted educts, or solvent residues.what is the purpose of pouring a volumetric solition into a beaker before taking a sample from the solution? suppose a student forgot to do this step before taking a sample of the unknown. What problem might the student's sample have, and how would this affect the reported concentration valueW
- . Lets pretend for a moment that you’re now working as an analyst working for the policedepartment. You are asked to analyze a white powder confiscated from a suspect. The complainantclaimed that the powder was used by the suspect to slowly poison the victim. Suppose the suspectclaimed it is only sodium chloride, how would you analyze the material to confirm that is indeed NaCl.Outline the qualitative test that must be done and provide inference for each test.(NOTE: Make sure analysis is in logical order backed up with chemical reactions if possible because youwill present it during the court hearing)An honest MISTAKE in the analysis can be a reason why innocent person will suffer in jail or a trueblooded murderer will escape the case.Explain with detail some factors which must be considered when choosing a solvent to dissolve a solid powder.(c) What is a standard solution? What piece of glassware is used to prepare a standard solution and describe how a standard solution of sodium carbonate may be prepared in the laboratory?
- Give proper explanation please. Hand written solution is not allowed.Why must a boiling stone be added to a solution to be refluxed?Assume you are the manager of a chemical stockroom, and find a bottle containing approximately one liter of a clear and colorless solution of unknown identity and concentration. Your only clue to its identity is that it was found between bottles of silver fluoride and sodium fluoride, so it is likely an aqueous solution of one of those two compounds. You will need to develop a procedure to determine the following:a) The identity of the unknown solutionb) The concentration of the unknown solution
