10mol% DMAP 2.eq.TEA THF,RT ОН N=C=N + ОН Ph

Q: Full acid, HOOC = CH-COOH is a biphatic acid and we will label it as H2M. Acid constant data for…

A: Dissociation of malic acid (H2M) As malic acid is a weak dibasic acid, two dissociations are…

Q: 8. Which solution is of known concentration that is used to react completely with an analyte? D.…

A: Standard solution is used to react completely with an analyte.

Q: How many milliliters of 0.10 M Pb(NO 3 )2 should be used to make ni(en)(h2o)4so4 10% mole excess?

A: This question must have a known value of the amount of Pb(SO4)2 produced.... So see the complete…

Q: 3. The conductivity of a 0.05M solution of acetic acid at 18°C is 4.4 × 10-4 Ω-1cm-1. Λ° of acetic…

A: The acid dissociation constant is the measure of the acidic strength of the given acid.  More is the…

Q: form whan lo0.0ml of 4.0xl0 MgC(NQ); -4 My(NG)2 l00,0ml of 2.0 x10"M Na OH ? "M #14.Will a ppt. ù…

A: Given : Concentration of NaOH = 2.0 X 10-4 M Volume of NaOH solution = 100.0 mL = 0.100 L…

Q: А В conrotatory disrotatory? conrotatory disrotatory? or or HO,C- Ph

A: The given reaction is the electrocyclization reaction, which involved ring formation by rotation or…

Q: Detemine the JOt|- pll, and pOHl of a solution with a H| of70x 10-" Ma 25 c. JOHF| = M pi = POH =

A:

Q: Hello, can someone please help me with these chem questions and give me a clear step-by-step…

A: a) Calculation of no. of mol of NaOH: n=Molarity×Volume=0.100 mol/L×10.00×10-3 L=1×10-3 mol…

Q: Find the Ksp of  0.200 M MgCl2 with Mg(OH)2 as its salt (solubility:1.51121E-05 M) MgCO3 as its…

A: We have asked to find the Ksp of 0.2 M MgCl2 in  1) Mg(OH)2 as its salt (solubility:1.51121E-05 M)…

Q: B00 34.62 mL of 0.1510m Na OH was needed to n eutralize 50.0mL Of ean H 2504 solwtiona what is the…

A: Given that ,  Volume of NaOH (V1) = 34.62 mL Concentration of NaOH (M1) = 0.1510 M Volume of H2SO4…

Q: Concentration of HCl used: 25ML Volume of HCl used: 0.1031 Indicator: phenaiphthalein (pneno)…

A:

Q: A mixture of pure BaCO3 and pure Na2CO3 weighs 1.000 g and has the total neutralizing power of 15.37…

A: the solution is shown below

Q: How many mL of isotonic solutions (eg. 0.9% NaCl) must be added in a 100 mL prescription containing…

A: Given data,Volume of prescription=100mLMass of Ephedrine sulfate=0.06gE of Ephedrine…

Q: Using the experimental data at 1/2 the equivalence point volume, calculate the Ka of acetic acid.

A: When acetic acid reacts with NaOH, the following reaction occurs: CH3COOH+NaOH→CH3COONa+H2O

Q: What is the pH of a solution which is equimolar with respect to both ethanoic acid and sodium…

A:

Q: Prepare 250 mL stock acetic acid solutions and from this solution prepare 100 mL of each standard…

A: A numerical problem based on preparing stock and working solutions, which is to be accomplished.

Q: How many molar of hydrogen ion are there in 0.1 M solution of nitric acid at  25°C ka for nktric…

A:

Q: Calculate the pH of a 0.0241 M KOH solution at T (°C) Kw each temperature. 1.15 x 10-15 5 1.88 ×…

A: Given  [OH-]   =  0.0241 M pH at 20℃  = ? PH at 35℃  = ?

Q: В + с hot acidified permanganate solution 1. Hg(OAc)2/THF-H2O NBS/ hv in CCI4 A 2. NABH4/OH compound…

A: NBS is a allylic brominating agent. It causes bromination at allylic position.  Hg(OAc)2/NaBH4/HO^-…

Q: Chemistry Calculate the dissociation factor (i-value) of NaH2PO4 * 1OH20 (m.w. 300) if it undergoes…

A: Degree of Dissociation = 65%  Molecule is :- NaH2PO4.10H2O

Q: solution of 0.0100 M NaOH. The graph obtained from said process is shown below, also a portion of…

A: Weak acid are the acids that do not undergo ionization completely rather maintain equilibrium…

Q: - How many grams of sodium hydroxide (M.wt=58.5) can be added to 2.5 liter of a solution mixture of…

A: Given a buffer solution consisting of mixture of 0.3M ammonia and 0.15M ammonium chloride.

Q: n RPLC, The retention of a basic analyte in RPLC decreases as the mobile phase pH increases. True or…

A: Silica gel and alumina are highly polar so they interact strongly with polar compounds and solvent…

Q: Acetic acid (Ka = 1.75 x 10-5 ) and formic acid (Ka = 1.80 x 10-4 ) are both present at equimolar…

A: The answer of the question given below:

Q: Following titration analysis, a sample of a fruit juice was found to contain 8.9 mg cm-3 ascorbic…

A: Given data: Amount of ascorbic acid in the sample = 8.9 mg/cm3 Molecular weight of ascorbic acid =…

Q: in wateulogged soils and deep. oxygen is absent, bactria to suulue by staducing sullur speeies to…

A: In the given reaction, HS- is formed, which undergo hydrolysis in water as follows: HS- + H2O ↔H2S +…

Q: 1) (HOCI/OCH) sytem at CIT = 103 M. Use the diagram to determine the following information. Label…

A: Given is the predominance diagram for hypochlorous acid/hypochlorite system.

Q: 6 I-  +  BrO3-  +  6 H+ ----- 3 I2  +  Br-  +  3 H2O Rate= k[I-]m[BrO3-]n[H+]p rate=…

A: #Q.1: In order to begin the reaction, we have to mix all the volumes. Hence total volume of the…

Q: First one is my data and second is what i need help with, please include calculations. a. name of…

A: Given, Concentration of stock solution ,M1=200×10-6M

Q: . NaI + Cl H2O + n hexane ------- _____________  bownish solution with dark violet layer on top…

A: It is a single displacement reaction. When NaI reacts with Chlorine, chlorine displaces iodine and…

Q: Give a gne sentence recipe explaining how to prepare 100 ml of 5 pM ag dimethyl fumarate solution by…

A: The mole fraction of a solute is the number of moles of solute per moles of solution. Mole fraction…

Q: Solvent Extraction – pH Effects Fraction remaining in phase 1 after 1 extraction, q V,+ DV2 НА K…

A: Liquid - liquid extraction

Q: x P UTF-8"Chapter 12 Solutions -20 X…

A:

Q: uivalence point for a 20 mL lution of 0.25 M Benzoic Acid C7H5O2) with Ka = 6.30 x 105 rated with…

A: Ka = 6.30 ×10-5  pKa = -log(Ka)   = -log(6.30 ×10-5) = 4.20 At equivalent point,  Equivalents of…

Q: How will you prepare standard solution of catechin (50, 100, 150, 200, 250 and 300 mg/L) scaled down…

A: We need to prepare 50 mL of catechin standard solutions of varying concentrations.

Q: What will the pH of the mixture that contains: 250 mL of 0.12 M of H2SO4 and 150 mL of 0.04 M of…

A: Let's first consider the neutralization reaction between H2SO4 and NaOH.

Q: What is the percentage purity of acetic acid if 2.6 grams required 32.5 ml of 0.994 N NaOH solution…

A: Acetic acid is monobasic acid and NaOH is monoacidic base. Hence for both of them normality =…

Q: Please help!

A:

Q: Conductivity of 2.5 × 10-4 M methanoic acid is 5.25 × 10-5 S cm-1. Calculate its molar conductivity…

A: Given details, K = 5.25 × 10-5 S cm-1C = 2.5 × 10-4 ML-1 λ0(H+) = 349.5 Scm2 mol-1λ0(HCOO–) = 50.5…

Q: Volume (mL) of 0.01 M NaOH usęd to reach the endpoint Concentration (M) of salicylic acid solution

A: Using equation : M1×V1 = M2×V2   -------(1) Where,  M1 is concentration of unknown acid,  V1 is…

Q: I-Determining the Concentration of Sulfuric acid solution (H so.) by titrating it with NaOH Solution…

A: The data given is,

Q: 9-20. At 25°C, what are the molar H,O' and ÖH concentrations in (b) 0.0600 M HN,? (d) 0.200 M…

A: (B) At 25 0C, [H3O+] [OH-] = Ionic product of water = 1.0 * 10-14       Hydrazoic acid is a weak…

Q: Q1 (a) Consider following sentences as true or false. Briefly justify the answer. Acetic acid is a…

A: Acidic strength is a measure of ka value. Aromatics compound burns with sooty flame. Normality,…

Q: Conductivity of 2.5 X 10-4M methanoic acid is 5.25 X 10-5 S cm-1 Calculate its molar conductivity…

A:

Q: 40 mg of sodium hydroxide is required to saponify Igm sample, this means that (MW of NaOH= 40…

A: Given data contains, Milligrams of sodium hydroxide is 40mg. The correct option has to be given.

Q: (a) Take [Fe2-] = [Fe3+] = 102 mol/litre. Calculate logPO2 at pH = 1 for the following reactions:…

A: GIVEN: Fe2+ = Fe3+ = 10-2 mol/L pH= 1 R=8.314 J/mol K Temperature = 25oC = 298K To Calculate: log…

Q: Q4. A 5.00 mL aqueous sample containing hydrogen peroxide was diluted to 25 mL and analyzed by…

A: From the balanced redox reaction in the acidic medium, concentration of hydrogen peroxide in the…

Q: What is the Qsp of a solution mixture Al(OH)3 formed from 10 mL 1.00M C6H5NH2 and 15 mL 0.10M…

A: