Question 1 A 35 mL solutionſof 0.15 M HBr is titrated with 0.09 M NAOH: What volume of NaOH is required to reach the equivalence point? What is the pH at the midpoint of the titration? What is the pH at the equivalence point?

Q: By following the direction of curve arrow, draw the final product after the reaction. (a) BF, (c) - ...

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Q: In the synthesis of sulfanilamide, an intermediate reaction using 5 g of acetanilide (MW:135.2, dens...

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Q: Fischer Esterification of isopropyl alcohol is Concentrated sulfuric acid H20 HO. но Acetic acid Iso...

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Q: How many grams of solid Cu2SO4 5H2O (249.68 g/mol) must be dissolved in 400 mL of water to obtain a ...

A: Given :-  molarity of Cu+ ions = 0.0899 M  volume of water = 400 mL  molar mass of Cu2SO4 5H2O = 249...

Q: What is the molarity of K+ in a solution that contains 89.72 ppm of K3Fe(CN)6 (329.3 g/mol

A: we know that  1ppm = 1 mg/L formula for Molarity =  M = {gram of molecule/ molar mass of molecule}/V...

Q: In order to form Ba(I03)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NalO3. • Ho...

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Q: For the following reaction, 5.92 grams of iron are mixed with excess chlorine gas. The reaction ylel...

A: We will calculate theoretical yield using stoichiometric calculations and then find percent yield.

Q: The following diol is prepared from propanal (CH3CH2CHO) and 3-bromopropanol. Which derivatives will...

A: Grignard  reaction  - is the reaction  that uses on organometallic compound to create carbon- carbon...

Q: Frenkel defects exist in ZrO,. For each of these defects, note how many of the following vacancies a...

A: Solution                         We know that Hence Right option is (b) Zr4+ interstitials  

Q: A 1.067g sample of magnesium oxide of 84.736% were treated with 50mL of 1.017 N Sulfuric Acid, and a...

A: Given: mass of MgO = 1.067 g Volume of H2SO4 = 50 mL  Normality of H2SO4 = 1.017 N Volume of NaOH = ...

Q: How many moles are there in 45.0 g of LiHCO3? (Li= 6.941 g/mol, H= 1.01 g/mol, C= 12.00 g/mol, O= 16...

A: Given, Mass of LiHCO3 = 45.0 g Li= 6.941 g/mol, H= 1.01 g/mol, C= 12.00 g/mol, O= 16.00 g/mol) So, M...

Q: Using the templates provided, draw both chair conformations afforded to each Compound A and Compound...

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Q: Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 ∘C, ...

A: Raoult's law: Raoult's law states that the vapor pressure solvent in a solution is equal to the prod...

Q: Use the following equations (picture) to determine the deltaH ° for the target reaction. Target: N2H...

A: We will use hess law to solve this question.

Q: 3. If 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, wha...

A: 3. Sol :-  Given,  Amount of heat absorbed = 124 KJ  Reaction between N2 and O2 takes place to gives...

Q: 2. Based on the MolView activity, which compound has the most covalent bonds? A. Water B. Hydrogen...

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Q: the reaction time would increase if we used a mixture of dyes

A: In this question we have to explain the reaction time would increase if we used a mixture of dyes wi...

Q: Find [Cu+] in equilibrium with CuBr(s) and 0.10 M Br2.

A: Concentration of Br2 = 0.10M Ksp of CuBr = 5 × 10-9 

Q: Calculate the pOH of an aqueous solution at 298 K when the hydroxide ion concentration is 3.7 x 10−5...

A: Given [OH-] = 3.7 x 10−5

Q: The Kb of C6H5NH3+ is 3.98x10-10 What is its Ka? What is the [H3O+] concentration

A:   We know that  At 25°C  Ka . Kb  = 10-14    Weak acid  pH = 1/2 (pKa - logC)  Weak base  pOH = 1/2 ...

Q: Problem 5. Label the acid and base in the following reaction. Show the mechanism of deprotonation re...

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Q: A student needs to prepare a buffer solution with a pH of 6.00. Assuming a pKą of 4.86, how many mL ...

A: pH = 6.00    ; pka = 4.86  Concentration of B- = 0.1 M  Concentration of HB = 0.1 M  Volume of HB = ...

Q: SOLID LIQUID GAS EFINITE SHAPE AND VOLUME AVERAGE LEVEL OF KINETIC ENERGY MOLECULES ARE IN CONSTANTL...

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Q: CONVERSION FORMULA

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Q: Biofuels such as wood generate carbon dioxide when they are burned, but biofuels are nonetheless con...

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Q: This problem explores the vibrational and rotational energy levels of the hydrogen halides. Experime...

A: The vibration frequency of a diatomic molecule is given as:

Q: Natasha was trying to identify 452.1 g of an unknown non- electrolyte sample. Given the limited inst...

A: The data given is, Mass of water i.e. solvent = density × volume = 1.0 × 500.0 = 500 g = 0.5 Kg  

Q: solve the following problems on a separate sheet of paper. 1 What is the number of atoms contained i...

A: Mole can be defined as a standard unit for measuring large quantities of very small atoms, molecules...

Q: Determine the volume occupied by 88 grams of ethane (C2 H6) gas at STP 全 T 面 1 Upload files

A: Mass of ethane = 88 g 

Q: The reaction of CH3OC1 with LiCH3 to form (CH3)20 is second order with respect to both LICH3 and CH3...

A: For a second order reaction when the species are different, A+B→Products The rate law is given as, R...

Q: Please try to solve it in 30 minute

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Q: A patient weighing 119 lb is to receive 300 mg of medication in 750 mL solution is to be titrated at...

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Q: What volume of 0.7777 M HNO3 is needed in order to produce 200 mL of 0.1550 M HNO3?   12.24 mL   1...

A: Given data - - > M1 = 0.7777 M V1 =? M2 = 0.1550 M V2 = 200 ml We know that from the formula M1V1...

Q: Attempt 2 at< O Hint The allowed energies, E, of a particle of mass m in a one dimensional box of le...

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Q: Die Alder readion

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Q: You discovered a potential new drug molecule, which binds to its target with a binding free energy o...

A: Binding free energy is defined as the sum of all the intermolecular interactions present between the...

Q: Consider the structure for 2,3-dimethylhexane (shown in the box below). Sighting down the bond indic...

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Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4

A: We have to predict the hydronium ion concentration.  

Q: By following the direction of curve arrow, draw the final product after the reaction. (a) BF, (c) - ...

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Q: Write the balanced molecular and net ionic equations for the reaction of aqueous potassium carbonate...

A: The reaction of aqueous potassium carbonate with hydrochloric acid is a neutralization reaction betw...

Q: Question 4 What is the concentration of Cd-T in a solution of Cd(OH), (Ksp =2.5 x 10-) with a pH of ...

A: Concentration terms are used to represent concentration of a solution.For example,molarity is a conc...

Q: The Kb of C6H5NH3+ is 3.98x10-10 The Kb of C6H5NH3+ is 3.98x10-10 What is the [H3O+] concentration...

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Q: What is the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of 1....

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Q: A 0.0258-g sample of an unknown acid was titrated with 0.04983 M KOH solution. Using the given data,...

A: Plot of ∆pH versus volume of NaOH added Plot of pH versus volume of NaOH added Equivalence point =...

Q: 1. A suggested way to organize your data for Part B of the lab is below. 0.00200 M 0.1 M KSCN 0.0020...

A: The data table given is,  

Q: 17. Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of ...

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Q: Lewis structure

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Q: Arrange the following substances in decreasing order of strengths: I-, V3+, Sn2+, Co2+, Ag, H2S, Ni,...

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Q: In Part 1, draw a mechanism for the reaction of butan-1-ol with sodium amide. In the box on the left...

A: Given reaction is : Draw the curved arrow mechanism of the given reaction = ?   

Q: но OH

A: The reaction given is,  

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.