TLC technique is classified as: Select one: O a. Qualitative analysis technique O b. Complicated analysis technique O c. Quantitative analysis technique
Q: Prelaboratory Assignment for Paper Chromatography 0 The 1 SAYIY
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A: Ans: HILIC
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Q: A 25.00 mL sample containing an unknown amount of A13+ and Pb2+ required 20.51 mL of 0.04633 M EDTA…
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A: b. Make sure you choose ''linear regression'' curve fit.
Q: systematic
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A: The detector needed to analyze multi analyte with multi wavelength is given below.
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A: All the Above.
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Q: Which of the following matches is/are incorrec regarding the paper chromatography experiment? A.…
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Q: Comments on choice of a paper and solvent are main back bones of paper chromatography.
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- Tab Window Help age Learning X ATM HOMEWORK Module 9 X Submit Answer Mind Tap - Cengage Learning X loymentid=5735112480241329813180832311&eISBN=9781305862883&id=1707786068&snapshotid=33225... References Use the References to access important values if needed for this question. dation-Reduction Titrations: This is group attempt 1 of 10 tv Suppose a solution of the reducing agent Cut is titrated with a solution of the oxidizing agent permanganate. The balanced net ionic equation for the reaction is: MnO4 (aq) + 5Cu*(aq) +8H30*(aq) →Mn²+ (aq) + 5Cu²+ (aq)+12H₂O(l) What volume (in mL) of a 0.1258 M MnO4 solution would be required to consume the Cu* in a 20.00 mL sample of a solution containing 0.5548 M Cu*? mL Numeric input field Autosaved at 10:58 PM a 8 C G What volume (in mL) of a 0.125 A WAaBbC AaBbCc AABBCCD AaB AaBbCcC AaBbCcD AaBbCcD AOBBCCD AaBbCcD AaBbCct AaBbCca Heading 1 Heading 2 Heading 3 Title Subtitle Subtle Em.. Emphasis Intense E.. Strong Quote Intense Q Styles 19 15 A gas is released at point Q in the apparatus shown. Doint Q damp Universal -Indicator paper Which gas changes the colour of the damp Universal Indicator paper most quickly? relative molecular mass gas ammonia 17 carbon dioxide 44 chlorine 71 hydrogen 11:01 18/09/2 22°C Mostly cloudyA 1.067g sample of magnesium oxide of 84.736% were treated with 50mL of 1.017 N Sulfuric Acid, and a 5.195mL volume of sodium hydroxide is required in the back titration. 1. What is the equivalent weight consumed by the acidic titrant? A. 5.281 g-meq B. 55.150 g-meq C. 5.723 g-meq D. 50.850 g-meq 2. What is the difference of milliequivalent weight consumed in the reaction? A. 45.127g-meq B. 56.573g-meq C. 50.850g-meq D. 55.150g-meq 3. What is the amount (in mg) of the analyte that is equivalent to 1 milliliter of the tirant at its equivalence point? A. 22.060mg B. 40.680mg C. 44.12mg D. 20.340mg
- Titration Experiment 1: Acid-Base Titration: Unknown HCl Write chemical equation *+ HClcags N s → Naclceg) + H,O Write NIE OH c) + HEogs → H2OC) Enter the data into the table and choose three titrations to find the molarity of the unknown HCI. Unknown # HCI Titration 1 Titration 2 Titration 3 Titration 4 Titration 5 Volume NaOH used to titrate unknown HCI solution 17.43ml 16.5O ml662 mll16.57ml16.6dmL Molarity of NaOH used for each titration 0.2564 0.1787/01692/0.1704/oiado1703 Molarity of HCI Average M HCI (avg ± standard deviation) 10.1717 1.63 % Precision Calculations 1. Provide one representative calculation that you used to determine the molarity of HCI. Be sure to show all units and use proper sig figs! V HCI-25mL MHCI =? VN2OH = 16.6lmL MNAOH=0.2564 MHCI VHCI=MNAOH VAa OH MHCI 25=O. 1564 16.61 MHCI= 0.2564.16.61 25 MHCI=0.1703 2. Average molarity of three titrations. 6.1787+0.1692+0.1704+0.1619+ O.1703 MACI= 0.117Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 69. The presence of a cotton fiber in a liquid preparation is considered as a/an: a. Ocular defect C. d. Internal defect Critical defect b. Variable defect 70.A type of titration where the first titrant is added in excess with the sample and the second titrant reacts with the added excess is: a. Back Titration Blank Titration C. d. b. Direct Titration None of the above 71. theory attributes the change in color of indicators to certain ions an increase in which causes the appearance of a new color, and a decrease in which causes the disappearance of a color or the appearance of a different color. a. Physico-Chemical C. Lewis b. Colloidal d. Organic X19,20 plzz
- Complete solutions with final answers ok6) Bu analyst in a solution uning two dierent indicators. lis results were an /lowes : meanired the con cen tration n aid Mean [HCI]+ Stand Dev. 002467テ 0.0045 Indi cator A: 18 12 Indicator B: 0-02407 チ0.0032 Is the difference between te tueo indican Ys figniticand at he 95%. confiden ce loue/?Topic: QUALITATIVE ANALYSIS IN ANALYTICAL CHEMISTRY a. Differentiate General Test and Confirmatory test. b. Define the following Terms Cation Anion Confirmatory Reagent
- Need help with this question. Thank you :)Match the quantitative analysis to their applications in the Laboratory procedures Choices: Acidimetry Precipitimetry Complexometry RedOx reaction Alkalimetry 1. Cause of poisoning 2. Metabolic acidosis 3. Electrolyte levels in blood 4. Antimicrobial analysis 5. Drug testing in urine