A chemistry graduate student is given 500.mL of a 0.80M chloroacetic acid (HCH2ClCO2) solution. Chloroacetic acid is a weak acid with Ka = 1.3x10^−3. What mass of NaCH2ClCO2 should the student dissolve in the HCH2ClCO2 solution to turn it into a buffer with pH = 3.08 ?You may assume that the  volume of the solution doesn't change when the NaCH2ClCO2  is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

Q: Analysis of a volatile liquid shows that it contains 37.23% carbon, 7.81% hydrogen, and 54.96%…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 279.28 mL of 1.22 M organic salt was mixed with 168.14 mL of Ethanol (d= 0.789 g/mL, MW…

A:

Q: Supply the missing products in the following reactions, as indicated by CAPITAL letters inside the…

A: Given diagram of reactions is : Complete the diagram by making all the major products = ?

Q: (e) Write two synthetic strategies to Fischer carbene complex. Furnish the synthesis and application…

A: All the reactions are shown below.

Q: CONCEPT CHECK No. 2 (Continued): Fill in the blank spaces with your answers for Questions 1 & 2 for…

A: The first structure has a chiral center having S configuration and Second one has R configuration.…

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

A: The equilibrium between the soluble ions and insoluble salt can be described by the solubility…

Q: Write the cell notation for an electrochemical cell consisting of an anode where Fe2+ (aq) is…

A:

Q: What would happen if the Liebermann reagent was added to a sample of cocaine HCl? Why? Give a…

A: Liebermann reagent is composed of a mixture of potassium nitrite and concentrated sulfuric acid. 1g…

Q: Which of the following was used in excess in the gravimetric method of analysis experiment? BaCl,…

A: The correct answer about gravimetric analysis is given below

Q: A certain reaction has an activation energy of 57.33 kJ/mol. At what Kelvin temperature will the…

A:

Q: An element X has 16 protons (p+1); 16 electrons (e-1) and 16 neutrons (n0). a) Write the ground…

A:

Q: In the space below, write the wave function W, for a one-dimensional quantum harmonic oscillator in…

A:

Q: Calculate the solubility at 25°C of CuBr in pure water and in a 0.0100M CoBr2 solution. You'll find…

A: Given: Concentration of CoBr2 = 0.0100 M

Q: (iv) [(n²-C;H3)(n°-CHs)M(CO)]"

A:

Q: Which of the following electrochemical methods requires the formation and measurement of an…

A: Analyte can be defined as a substance that we are going to analyze during a process or an…

Q: Based on the ternary phase diagram, a binary mixture of furfural and water will always split into…

A: To answer whether the binary mixture of furfural and water always split into two liquid phases:

Q: Which is a major product of this reaction? AICI, a) b) c) CI ČI .CI e) (p

A:

Q: A 534.2 g sample of water is subjected to a temperature change of -67.86 °C. The specific heat…

A: Given,  Mass of water in g = 534.2 g  Change in temperature = ΔT = -67.86 0C  Specific heat capacity…

Q: With the titration curve of a weak acid, which part of the curve is the buffer capacity seen to be…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (b) On the basis of 18-electron rule, identify the first-row transition metal for each of the…

A: CO and CH3 both are neutral Ligands which contributes 2 e-  M (CO)5(CH3) obeys 18 e- rule .

Q: How was the precipitate obtained after filtration? a. By drying the precipitate on the filter paper…

A: The precipitate is obtained by drying the precipitate on the filter paper using a desiccator.

Q: What volume (mL) of the prepared low alcoholic elixir is needed if the prescription requires 120 mL…

A: Given: %(v/v) of the final solution = 35 % Volume of final solution required = 120 mL. %(v/v) of low…

Q: N2(g)+2O2(g)⟶2NO2(g)ΔH=+66.4 kJ    Use Reaction 3.   How much energy (in kJ) is absorbed when…

A: Recall the reaction, N2 + 2O2 ------> 2NO2  ∆H = +66.4 KJ  Volume of NO2=159 L  Energy absorbed =…

Q: Consider the following mechanism; Write the overall balanced chemical equation and identify any…

A: The mechanism for the reaction :  O3 ----> O2 + O    (fast)  O3 + O ----> 2O2  (slow)  Overall…

Q: Consider the reaction 2CO2(g) + 5H2(g)C2H2(g) + 4H2O(g) Using the standard thermodynamic data in…

A:

Q: The Ksp of lanthanum (III) iodate is given below. What is the molar solubility, in g/L? Include…

A:

Q: What Is the relationship between these molecules? CI HC HC A. Identical B. Configurational…

A:

Q: The chemicals A and B react as follows to produce C and D:                               A  +  B  ↔…

A:

Q: Based on the phase diagram illustated below, what is the phase condition of the given two-component…

A:

Q: In a two-vessel technique titration set-up, what is the unknown substance if the volume of…

A: To determine the mixture of substances in the sample

Q: 1.Calculate the molarity of a solution made by dissolving 15g NaOH in water and diluting to 1.00…

A:

Q: What is the reaction between hexene and the Baeyer's reagent KMnO4

A: Hexene + Baeyer's reagent ------>

Q: Give the name of the missing organic reactant in the following reaction. CH3- ? + 2 Ag(NH3)2* + З…

A:

Q: How many grams of H+ are needed to replace 1 g NH4+?

A: Given::  Mass of NH4+ = 1g molar mass of NH4+= 18 g mol-1 Grams of H+ = ? molar mass of H+=1 g mol-1…

Q: With the titration curve of a weak acid, which part of the curve is the buffer capacity seen to be…

A: Buffer action signifies almost no change or small change in pH even after addition of either acid or…

Q: Draw the structural formula of the following compounds. 4) 3-phenyl-2-pentene 5) 1,4-dimethylbenzene…

A:

Q: Which of the following names is correct? a) meta-aminonitrobenzene b) 4-nitrobenzoic acid c)…

A: The incorrect name is given below

Q: The colligative property is influence by the amount of solute that are present. The amount of solute…

A: Colligative properties are the physical changes that result from adding solute to a solvent.…

Q: Combining the amino acids proline and cysteine could create the peptide prolylcysteine A) True  B)…

A: A) True

Q: (a) to (i): Determine whether each stereocerter marked by letters in red is Ror S. HN CI CI F F SH…

A: Note : Give the priority to the atoms at chiral center. Priority order is clockwise. Then the…

Q: A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 ml of mixture…

A:

Q: Using this heating curve, complete the following statements: freezing point between points | Select…

A: There are three phases of matter. The phase of matter can be interchanged by changing the…

Q: Туре Enthalpy Entropy (ДН)? Spont.? (-AG)? Reaction (AS)? Yes, No, or Maybe (TD*)

A:

Q: The heat of fusion ΔHf of dichloromethane (CH2Cl2) is 6.2 kJ/mol. Calculate the change in entropy ΔS…

A: Calculations have been done in the following step.

Q: Question 9 The phase rule describes the number of variances given the number of component present in…

A: Question 9  The phase rule states that for a heterogeneous system at equilibrium, the number of…

Q: 3. A device is being designed to separate a natural gas having a molar analysis of 94% CH4 and 6%…

A:

Q: Question 30 170.50 mL of 1.23 M organic salt was mixed with 236.23 mL of Ethanol (d= 0.789 g/mL, MW…

A:

Q: (d) Complete the following reaction: hv (i) Cp2TiMez +2 [RCH=CHR] AIMe:

A:

Q: 5. (a) Work out the symmetry pint group of the following species. (i) S203² (ii) H;B0; (iii) allene…

A:

Q: 1. Assign oxidation states for all atoms in each of the following compounds. a. (NH4)2HPO4 b. P4O6…

A:

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.