ANION ELIMINATION TESTS ADDED REAGENT(S) OBSERVATIONS Ba(NO3)2 White ppt HNO3, Fe(NO3)3 Yellow aqueous layer; pink toluene layer HNO3, KMNO4 Yellow-brown aqueous layer; pink toluene layer POSSIBLE ANION(S) PRESENT?

Q: Which of the following solutions would have the lowest pH? Assume that they are all 0.10 M in acid…

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Q: What is the concentration of hydrochloric acid? Find the concentration using the information given…

A: A question based on acid-base titrations that is to be accomplished.

Q: Concentration of AR Stock Solution (μMμM) 42.7461 42.7

A: Given DataConcentration of AR Stock Solution (μM)42.746142.7To determine:

Q: Weight out 17.02 grams of CaSO4. Add it to 250 mL of water in a 500 mL volumetric flask. Swirl to…

A: The mass of CaSO4, m = 17.02 g  The volume of CaSO4, V= 500 mL = 0.500 L (1L = 1000 mL)

Q: Imagine that you accidentally used 30 mL of water instead of ~20 mL to wash down your flask in the…

A: Acid-base titration of vinegar is done in laboratories to find out the concentration of acetic acid.…

Q: An aqueous solution of sodium hydroxide is standardized by titration with a 0.110 M solution of…

A: Molarity of HBr acid (M1) = 0.110 M Volume of acid (V1) = 25.3 mL Volume of NaOH (V2) = 20.2 mL…

Q: Solve for a,b, and c

A: The amount of stomach acid neutralised is calculated as,

Q: Station #9  =  HC2H3O2 (aq) For this acid, what does the white bead represent?________ blue bead?…

A: Acetic acid (CH3COOH) is a weak acid, so it will dissociate little in water. The dissociation will…

Q: Oral rehydration salts are stated to contain the following components: Sodium Chloride  3.5g…

A: % of stated content of Na in the sample = 95.714%Explanation:Hence, the sample contains 95.714% of…

Q: 1. Calculate the molar concentration of the hydrochloric acid solution if you know that sp.g…

A: Solution:- Provided data:- Specific gravity of HCl solution = 1.19 = 1.19 g/mL % = 37%  We have to…

Q: A student measures the following using a crude colorimeter. Intensity of blank =206 Intensity of…

A: When the intensity of light is passed through the sample solution then some of the light is getting…

Q: Part A a solution that is 0.13 M in NH3 and 0.17 M in NH4Cl (K (NH3) = 1.76 x 10-5) Express your…

A: Molarity of NH3 = 0.13 M Molarity of NH4Cl = 0.17 M Kb of NH3 = pH of solution = ?…

Q: A 22.41 ml volume of 0.1987 M NaOH solution is required to reach the phenolphthalein endpoint in the…

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Q: A student needs a 15% hydrochloric acid solution for a chemistry lab. How much 20% hydrochloric acid…

A: Given: Concentration of HCl in final solution required = 15 % Concentration of stock solution 1 = 20…

Q: Please give

A: Given,Molarity of NaOH = 0.248M.Volume of NaOH = 18.71mL = 0.01871L.Volume of H2SO4 = 10.00mL =…

Q: Explain why one compound (Urea/cholesterol) dissolved in water while the other one did not using…

A: Interaction of two or more compounds with each other can be explained on the basis of like dissolve…

Q: First item. Just copy the entry I made below for the disposal of 250 mL of 4000 ppm palladium…

A: Solutions- Here we have to calculate the volume of solvent required and amount of palladium required…

Q: A practitioner will make a titration curve. The practitioner pipetted 10 mL of 0.1 M HCl solution…

A: "Since you have asked multiple questions, we will solve the first question for you i.e  (HCl vs…

Q: Using dimensional analysis, find the mass of acetylalicylic acid in one tablet of aspirin. The grams…

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Q: If pH (± 0.5 pH units) strips were used to determine the equivalence point at pH=8.5. What is the…

A: The method you have done and all this is fine and correct. There may be some other problem like…

Q: A solution of 48.9% H₂SO4 by mass has a density of 1.39 g/cm at 293 K. A 24.0 cm³ sample of this…

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Q: Question 3 A student performed three aqueous layer titrations in Part 1 and they reported the…

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Q: What is the molarity of this solution? (Assume a density of 1.02 g/mL.) Express your answer in…

A: Given solution = NaOCl  Percent by mass = 4.00 %  Density of solution = 1.02 g/ml   We need to…

Q: Show your complete solution and round-off your answers to four decimal places.   A 0.1093-g sample…

A: Number of mmol = Molarity x Volume (mL) Na2CO3  +  2AgNO3  ----->  2NaNO3  +  Ag2CO3 KSCN  +…

Q: Beer's law plot for a dilute solution

A: The Beer-Lamberts law states that the absorbance of a solution is directly proportional to the…

Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2700 moles of NaCl?

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Q: Calculate the pH of 0.71 M Ca(OH)2 solution. Provide your answer to two places after the decimal and…

A: Given :- molar concentration of Ca(OH)2 solution = 0.71 M  To calculate :- pH of solution

Q: In the simulation, select the solutions indicated below from the dropdown list at the top left…

A: Hello, since more than one sub-parts have been asked, but in this case only the first sub-part shall…

Q: A compound “X” is regulated by health Canada at 2 ug/L in drinking water (maximum allowable…

A: The cut-off level of an analytical method is the minimum concentration of a substance that can be…

Q: Place approximately 5 mL of saturated NaCl(aq) into each of 4 test tubes. NaCl (aq) can be dispensed…

A: NaCl is a salt of strong acid HCl and a strong base NaOH. HClaq + NaOHaq → NaClaq + H2Ol CH3COONa is…

Q: A 1mL solution contains a 20X diluted sample. How do you make a spike solution that contains 100uL…

A: To make a spike solution containing 100 μL of the standard and 900 μL of the diluting liquid, you…

Q: The learners repeat the titration three times. The three titrations are referred to as trials 1. 2…

A: Given three titration diagrams for Trial 1 , Trial 2 and Trial 3  We need to read the volume of acid…