a) Draw the mechanism for the following reaction. HN H3C H;C. NaBH;CN CH3 CH3 b) draw the mechanism of the transformation. ОН CH3 1. MgBr 2. H3O* c) Provide the steps

Q: A solution of phosphoric acid (HPO,) with a known concentration of 0.250 M HAPPO is titrated with a…

A: Given that -  Molarity of HAPPO = 0.250 M  Molarity of NaOH = 0.800 M  Volume of HAPPO = 72.0 mL…

Q: an unknown m n lo0ml of hwad 0.1000 M suliar reach the eauivo <perimental molar

A: We have to calculate the molar mass of monoprotic acid .

Q: Convert 22 miles to kilometers if 1 inch = 2.54 cm

A: Since we know that 1 inch = 2.54 cm 1 mile = 63360 inches.  1 m = 100 cm 1 km = 1000 m By using the…

Q: 2 MnO4 + 5 H2O2(aq) + 6 H*(aq) → 2 Mn²*(aq) + 5 O2(g) + 8 H2O(1) For the reaction, a 0.9367 g sample…

A:

Q: To what volume should you dilute 135 mL of an 7.90 M CUC12 solution so that 49.0 mL of the diluted…

A: From molarity of initial solution calculate mole of copper Sulphate And then amount of copper…

Q: Assume that the only reducingagent present in a particular wastewater is If a25.00 mL sample of this…

A:

Q: The purple spheres represent particles of solute. Which compounds are represented in images…

A:

Q: While working in a metal processing facility, Letlen had accidentally mixed two metal vats together…

A: Given the total mass of the homogenous alloy sample of Cd and unknown metal taken for titration =…

Q: 125 mL of 12.0 M HCl solution is diluted with water to a final volume of 1.00 L. What is the…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: اجابة قصيرة A12 (SO4) 3 at a N, What is the pare a solution n of 0.04 M in a i distilled water

A: Relation between normality vs Molarity  Normality = n • Molarity  Where : n is the n-factor for…

Q: 1000 3. How many grams of KC1 are required to make 250.0 mL of a 0.250 M solution?

A: 3) Molarity is defined as the number of moles of solute present in one litre of solution

Q: Why is it important to know the type of solid solution formed?

A: A solid solution is formed when two or more types of homogeneous atoms escape into the solid state.…

Q: What is the normality of a K,Cr20, solution prepared by dissolving 5.00 g of K2Cr20, in 200 mL of…

A: Given unbalanced equation is  Cr2O7 -2  +  SO3-2  →  Cr+3  + SO4-2  Balance the reaction 1 Cr2O7…

Q: In one trial determination of the concentration of NaOCl in the diluted bleach sample, 10.00 mL of…

A: Given: The volume of NaOCl = 10 mL The volume of Na2S2O3 = 29.82 mL Molarity of Na2S2O3 = 0.0195 M

Q: The molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K2Cr2O7 to 500. mL is…

A:

Q: Average the two percentages and calculate the percentage difference. given : Concentration of…

A: Average percentage - It is the average of the two percentages.…

Q: The mass of K,Fe(CN)6 is .. .to preparation 400 mL of a solution that is 0.0810 M in K* A.W: K=39 ,…

A: Given: The volume of potassium ferrocyanide is 400 mL. The concentration of potassium ion is 0.0810…

Q: a) There is a sample that contains the mixture of CuCl2(s) and KCl(s) with a mole fraction of 6.90%…

A:

Q: Find the milliliters of 0.250M KOH needed to neutralize 115.0 mL of 0.834 M H,PO,. Write and balance…

A: The balanced chemical equation for the neutralization reaction between KOH and H3PO4 is  3 KOH +…

Q: Calculale we paIts per m MON 117 A 0.8512-g sample containing KCIO; (122.55 g/mole) and impurities…

A: Given that -  Mass of sample containing KClO3 = 0.8512 g  Molar mass of KClO3 = 122.55 g/mole…

Q: Upon completion of an experiment involving a reaction between copper wire, Cu(s), and aqueous silver…

A: We have to tell the role of AgNO3(aq)

Q: (d) In an experiment to standardize a solution of sulphuric acid, using a standard solution of…

A: Given in following question a experiment.             25cm3 a sodium hydroxide solution containing…

Q: A solution of permanganate contains 2.608 grams of KMnO4 per 750 mL. What is the normality of the…

A: Given the mass of KMnO4 = 2.608 g  Molar mass of KMnO4 = 158.034 g/mol =&gt; moles of KMnO4 = 2.608…

Q: Using the concepts of volumetry, classify statements as true or false. Justify the one(s) that you…

A: The given statements are related to gravimetric analysis.

Q: What volume of a 0.186 molL−1 Na3PO4 solution is necessary to completely react with 91.9 mL of 0.103…

A: The balanced chemical equation between  Na3PO4  and  CuCl2 is given by2 Na3PO4  (aq) +  3 CuCl2…

Q: In the determination of Mass% NaOCI in Bleach Sample (Titration), does addition of water to the…

A: During the mass % determination of NaOCl in bleach sample, first NaOCl is converted to HOCl in…

Q: What volume of 0.172 M NaOH, in militers, contains 200g of NaOH? Volume mL

A:

Q: 2.23 gr sample taken from a bleaching powder is dissolved and completed to 250 ml. Taken from here…

A: Answer:- This question is answered by using the simple concept of stoichiometry using balanced…

Q: A sample containing NaCl, NaBr, & inert material weighs 1.000 g. Excess of AgNO3 gave a white…

A: Given data: Wt of NaCl, NaBr, &amp; inert material = 1.000 g   Wt of AgCl and AgBr = 0.5260 g Wt of…

Q: Q2// Calculate the normal concentration of 2 5 g KMn04 dissolved in 200 ml of water ?g.M.w KMn04 =…

A: Concept: Normal concentration: Normality or normal concentration is the gram equivalent weight of a…

Q: How do I calculate/ what is the equation for the % weight/weight when I have a mass in grams and a…

A: The %weight/weight (%w/w) is calculated by dividing the mass of solute by mass of solution i.e.…

Q: 12 Which of the folowing is not a reason tora chemtto sample? aTo check the purity of the solvent To…

A: As per our community guidelines we can only answer one question, out of the four questions you have…

Q: The steps for determining the concentration of a sample of hydrochloric acid are listed below : Step…

A:

Q: Molarity of stock KMnO4 : (read from bottle in lab) 0.01994 M Volume of KMnO4 Stock Solution…

A:

Q: A supersaturated solution is one that has been heated exists only in theory and cannot actually be…

A: The maximum amount of the solute that can be dissolved in the given solvent is known as the…

Q: a 50.0 mL sample of aqueous sodium chloride was analyzed according to the experimental procedure in…

A: To solve this problem first we have to calculate the mass of  NaCl solution and mass of solid NaCl…

Q: When mixing sodium chlorate solution (volume 1.0L, density 1.1614 g/ml, mass fraction 22%)  with…

A:

Q: Twenty tablets (labelled 300 mg aspirin per tablet) had a total mass of 6.9117 g. The tablets were…

A: The objective of this question is to explain concept of stoichiometry to determine the percentage of…

Q: 5) If all the NaHCO3 in bag 2 reacted, calculate the number of moles of gas produced?

A: Bag 2 contains 1.400 g of NaHCO3 The volume of vinegar (acetic acid) taken = 20.0 ml The chemical…

Q: 1.. Use a stock solution of 0.0007015 M NaCl. (All glassware used is volumetric →∞o sig. figs) a.)…

A: Concentration of stock (Cs) = 0.0007015 M On dilution to different levels, the concentrations of…