Determine the concentration of sodium hydroxide if 21.39ml of sodium hydroxide is required to titrate 0.6422g of monoprotic acid potassium hydrogen phthalate (MW is 204.2 g/mol). 3.002x10-¹M 2.805x10-²M 1.374x10-²M 1.470x10-¹M

Q: Pb(NO3)2 (aq) + Nal (aq) -> complete ionic equation: net jonic equation:

A:

Q: From this chromatogram, which of the following compounds is the MOST polar?

A: Both C18 and C8 columns are used in reverse phase chromatography.

Q: How do you call an aggregate of molecules in a colloidal solution which is the product of emulsion?

A: In colloidal solution as a result of emulsion, the particles combines to fotm an aggregate to reduce…

Q: 4. The americium isotope Am is unstable and emits a 5.538 MeV alpha particle. The atomic mass of Am…

A: #4: An alpha particle, He24 has 2 protons (Z = 2) and 4 unit mass. Hence when an alpha particle,…

Q: Friedel-Crafts acylation produces a more reactive benzene ring intermediate

A: Yes this is true, but not even friedel craft acylation every aromatic substitution reaction on…

Q: 1. Are the materials that have a large particle size of their atoms diffusion through it faster, or…

A: Diffusion is the migration of atoms or molecules from higher concentration to lower concentration.

Q: (aq) (s) Task 2. You need to make a buffer solution that has a pH of 7 + 53/100 (e.g. 7.63) at SATP.…

A:

Q: What is the molar concentration of potassium?* Your answer What is the molar concentration of Hg? *…

A: ✓Nesseler's reagent is an alkaline solution of potassium mercuric iodide used in chemical analysis…

Q: N 4 5

A:

Q: 3. Which process occurs in an operating voltaic cell? (1) Electrical energy is converted to chemical…

A: 1. Electrolytic cell is just reverse of voltic cell. 2. In voltic cell anode is negative and cathode…

Q: Aside from London dispersion forces, which substance do you expect dipole interactions to be…

A:

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate…

A: Given-> Rate constant (K) = 0.0030 M.s-1 Volume = 350 ml  Initial mmole of HI = 350mmole Time(t)…

Q: For the aqueous [Hg(NH3)4]2+ complex Kf=1.911019 at 25°C. Suppose equal volumes of 0.0090M HgNO32…

A:

Q: QUESTION 10 a) Draw the structural formula of 3,4-dimethyl-2-pentene. Name the rule that governs the…

A: Given,

Q: A possible method of measuring the rate of reaction is to measure the select the correct Answer…

A: The rate of a reaction is the ratio between changes in concentration of reactant or product with…

Q: Benedict’s solution can be used to distinguish between: a) fructose and glucose b) maltose and…

A:

Q: КОН (ад) Fe(NO3)3 (aq) → complete ionic equation: net ionic equation:

A: Given, KOH(aq) + Fe(NO3)3(aq) ➝  Complete ionic equation = ? Net ionic equation = ? Balanced…

Q: Identify the product of the reaction. CH₂-CH₂ H₂SO4 ? H OH Express your answer as a chemical…

A:

Q: Given the following data N2(g) + O2(g) → 2NO(g) 2NO(g) + O2(g) → 2NO2(g) AH = +180.7 kJ AH 113.1 kJ…

A:

Q: 15. Victoria added 6 M HCI to a sample of the unknown, containing at least one of the Group I…

A: Here we have to predict the cation  of group-1 present in the unknown sample in the following salt…

Q: soap

A: We know that " Coconut oil is a source of lauric acid (12 carbons) which can be made into sodium…

Q: Cadmium-113 undergoes decay to produce an unknown particle and a beta particle. What daughter…

A:

Q: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) AH = -184.6 kJ Reaction 2: 20F2(g) O2(g) + 2 F2 (g) AH = -49.4…

A:

Q: Draw the Configuration of the D-Family of Aldoses

A: Configuration of the D- family of aldoses

Q: 1. Acids and bases can be defined in various ways. Based on your understanding, explain the…

A: According to Arrhenius concept of acid and base, acid are the substances which gives H+ in aqueous…

Q: What is the Theoretical yield of iron for the reaction of 10.5g of Iron (III) nitrate and 5.00g ​of…

A: In this question, we will determine the theoretical yield of iron for the reaction between Iron(III)…

Q: One component of sour milk is lactic acid (HC3H5O3). What is the pOH of 0.30M lactic acid? (Ka =…

A: pOH of weak acid can be calculated by first calculating the pH of solution.

Q: In a converter, 9.33 kg of SO3 is fed and allowed to come into contact with a certain amount of…

A:

Q: What is the diffusion coefficient of Zinc in Copper at 750degC? * 5.3241x10-¹² m²/s 5.3241x10-1³…

A: For Zinc in Copper,  We have D0=2.4×10-5m2/s,Qd=189000J/mol Given…

Q: Spot the odd one out one gram of water O 760 mmHg Ofour degree Celsius Oone cubic meter of water

A:

Q: 2. Give the molecula formula for the following compounds and star the chiral center(s) in each one…

A: In the given compounds, * = Chiral center.

Q: sodium

A: Part A: The dissociation reaction of iron (ii) carbonate is given as: FeCO3 (s) --------->…

Q: 14. If the pH at half way to the first equivalence point is 3.20, pH at first and second equivalence…

A:

Q: 1. Write a complete mechanism for the reaction shown below. Show all steps and electron- pushing…

A: In first question, first we will used bromine water and give the mechanism for the product…

Q: 47) Combination of two p-atomic orbitals give two molecular orbitals. Show the possible two…

A:

Q: What are  the limitations of using  molecular/size exclusion chromatography?

A: In SEC, mass is not measured so much as the hydrodynamic volume of the polymer molecules, that is,…

Q: Which among the following is a compound? salt crystals O charcoal O sulfur powder O iron filings

A:

Q: A 27% oleum solution is equivalent to a solution that is % SO3 and % H₂SO4-

A: Oleum is also known as fuming sulphuric acid which is basically sulphuric acid having excessive of…

Q: Synthesis 1: Br Synthesis 2:

A: In this question, we will synthesized the product from the starting materials by using the necessary…

Q: What is the pH of a solution prepared by dissolving 8.13 grams of NaCN (49.01 g/mol) in 1.4 L of…

A: Given,  The pH of a solution prepared by dissolving 8.13 grams of NaCN (49.01 g/mol) in 1.4 L of…

Q: CH₂Cl www

A: In this question, we will see the reaction mechanism for this transportation.  You can see the…

Q: A chemist knows that the equilibrium constant is 0.0049 for the following reaction: . CO₂ (g) + H₂…

A:

Q: Give the a) of the name Compounds given below 애 LOH

A: The key functionality present in the given compounds are alcohol and aldehyde respectively.

Q: What do you observe when hydrated copper (II) sulphate is heated?

A: Hydrated copper (II) sulfate has 5 molecules of water of crystallization and when it is heated it…

Q: CANNOT form hydrogen bonds with water? A) (CH3CH2)2NH B) CH3CH2OH C) (CH3CH2)3N D) CH3CH2NH2 E) All…

A: For the formation of hydrogen bonding ,the hydrogen atom must be between most elctrectronegative…

Q: What is the percent yield for the above reaction if the actual yield is 1.1g of iron? Above reaction…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: What is the molar concentration of potassium? * Your answer What is the molar concentration of Hg? *…

A:

Q: What is the pH of a solution composed of 0.40M HOBr and 0.40M NaOBr. Ka of HOBr is 2.6x10-⁹ 9.12…

A: Given concentration of [HOBr] = 0.40M  [NaOBr] = 0.40M  Ka of HOBr = 2.6 * 10-9  To Calculate the pH…

Q: Which of the following are the correct reactivity and orientation for the amide group? Select the…

A: Aromatic electrophilic substitution reaction: Aromatic electrophilic substitution reactions are the…

Q: Several chemical tests were carried out on an unknown compound to determine its identity. The…

A: 1. Iodoform is used to find the presence of carbonyl compounds with the structure R-CO-CH3 or…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.