An analytical chemist is titrating 141.4 mL of a 0.5500M solution of formic acid (H,CO,) with a 1.000M solution of KOH. The p K¸ of formic acid is 3.74. Calculate the pH of the acid solution after the chemist has added 63.29 mL of the KOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of KOH solution added. Round your answer to 2 decimal places. pH = |

Q: If an ideal gas has a pressure of 7.01 atm, a temperature of 14.77 °C, and a volume of 68.71 L, how…

A:

Q: Over a period of time, the concentration of sulfuric acid in the lead storage battery of an…

A: Given data,Initial % by mass of H2SO4=38.0 %Final % by mass of H2SO4=26.0%Volume of H2SO4=734…

Q: Ozonolysis-reduction of an unknown alkene gives an equimolar mixture of cyclohexanecarbaldehyde and…

A: In ozonolysis the double bond is broken in corresponding aldehyde or ketone by using O3 and Zn/H2O.

Q: a. Will Fe+ oxidize Sn²+ to Sn*+ ? Assume that the reaction occurs at standard electrochemical…

A: Reduction is gain of electron. Reducing agent, reduce other and oxidise itself. Oxidizing agent…

Q: Assign formal charges to each atom in the three resonance forms of N,O. :N-N=0: :N=N-0: Answer Bank…

A: Here, we have to assign the formal charges to each atom in the three resonance forms of N2O.

Q: moles of aqueous magnesium ions and chloride ions a

A:

Q: Q. Draw all possible structures of the following molecules and explain which one is the preferred…

A: Here we have to predict the preferred structure of the given compound based on VSEPR theory.

Q: 2- The concentration of CrO4 in a saturated solution of Hg2CrO4 is 7.72x10- mol/L at a certain…

A:

Q: In the experiment of gravimetric analysis of chloride salts, define what is stoichiometry and how…

A: A question based on stoichiometry that is to be accomplished.

Q: (a) Draw a specific organic reaction for the hydroboration-oxidation addition reaction of alkenes.…

A: Hydroboration oxidation give antimorkonikov product...

Q: A primary amine R-NH2 has pKb = 5.65 at 25°C. A buffer solution is made by adding 66.0 mL of 1.55…

A:

Q: I. Fill in the table of the needed information. Note: There may be more than one solute/solvent…

A: A solute is the constituent(s) of a solution that is present in a smaller amount and the solvent is…

Q: Meo Meo Me 5. Me Meo

A:

Q: Calculate the mass (g) of HC2H3O2 in vinegar (moles HC2H302 X Molar Mass HC2H302) mol Calculate %…

A:

Q: For the Lewis structures of PF3 and PI3 what are the Lewis acid / base properties of the compounds.…

A:

Q: What type of geometry (according to valence bond theory) does Mn exhibit in the complex ion,…

A:

Q: Give two examples of an electrochemical cell.

A: The examples of electrochemical cell is given below

Q: A system that is not at equilibrium is found to contain 0.250 M of A (aq), 0.250 M of B (aq), and…

A: Given reaction is :  A (aq) + B (aq) <-------> C (aq) , Kc = 0.670  [A] = 0.250 M  [B] = 0.250…

Q: Can you explaine the steps in drawing the molecule (3E)-hex-3-ene. what does the 3E signify?

A: Given :- IUPAC name of compound = (3E)-hex-3-ene  To determine :- steps in drawing the molecule

Q: 15 16 17 18 19 20 21 22 23 24 25 26 27 350. mg of an unknown protein are dissolved in enough solvent…

A:

Q: I have a balloon that can hold 100 liters of air. If I blow up this balloon with 3 moles of oxygen…

A:

Q: Consider the decomposition reaction shown below. NO2(g) 2 NO(g) + ½ O2(g) A. What is the equilibrium…

A: Dear student,  As you have asked multiple question but according to guidelines we will solve first…

Q: 1 A certain liquid X has a normal freezing point of -7.40 °C and a freezing point depression…

A:

Q: OMe

A: The product has a cyclopropane ring in place of double bond of 1st substrate. The double bonded…

Q: 0.10 M HCH,0,

A: Since you have asked multiple questions, as per guidelines we will solve only the first one for you.…

Q: 3. Calculate the equilibrium constant for the following reaction at 298 K. 3C2H2 (g) + CoHe (g) AG°…

A:

Q: Consider the decomposition reaction shown below. NO2(g) ⇄ NO(g) + ½ O2(g) Temperature is 25 °C.…

A:

Q: Br MeO MeO Me

A: Witting reaction: The Wittig reaction or Wittig olefination is a chemical reaction of an aldehyde or…

Q: When 1.06 g of a certain molecular compound X are dissolved in 85.0 g of dibenzyl ether…

A:

Q: Part A Give the name for the structure in the image shown: CH;CH, CH,CH3 CH;ĊCH,CH ČH3 ČH3 O…

A:

Q: Provide the reagents necessary to complete the following transformation. Hint: be sure to use the…

A: In this question we have to tell the reagent used for the conversion of the given reaction.

Q: Question 11 What synthetic goal is achieved by subjecting an alkene to treatment with hydrogen…

A:

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: Percentage by mass  = (Mass of element in 1 mole of compound/molar mass of the compound) × 100%…

Q: The hydrogen-oxygen fuel cell is described in the text. For the questions below, assume the…

A:

Q: What are the main components of an electrochemical cell?

A: An electrochemical cell is an apparatus or tool that produces electric current from chemical change…

Q: 2) The iron content of foods can be determined by dissolving them in acid (forming Fe3+), reducing…

A: Options  D) The oxidation of half reaction ,     Fe2+ (aq)  → Fe3+ (aq) + 1e- The Reduction of half…

Q: 50 mg of Na2C2O4 containing solution is titrated with a KMnO4 solution with the corretion factor…

A: Theoretical molarity can be calculated by using the exact volume which is 29 mL Real concentration…

Q: 2. The following is the relative number of molecules in the vibrational states of the 1CI molecule…

A: The above question can be solved using the Maxwell- Boltzmann distribution law The Maxwell–Boltzmann…

Q: 13) How many grams of gold will be plated out by a current of 0.35 A applied for 65 minutes from a…

A: Formula w = E×i×t96500 Where E is equivalent mass of Au3+ Au3+ (aq) + 3e-     ------> Au (s)…

Q: Is the molecule below polar or non-polar? Why? Hint: the electronegativity of Ec is 3.4 H. H. Н—Ес —…

A:

Q: List the four spectroscopy methods that were discussed in class and briefly discuss the principles…

A: The 4 methods of spectroscopy are UV-VIS spectroscopy, IR spectroscopy, NMR spectroscopy and mass…

Q: What is the difference between a bond dipole and a molecular dipole moment?  Explain using H2, HF…

A: We have to tell the difference between a bond dipoles and a molecular dipole moments of the…

Q: An aqueous solution of potassium hydroxide (33.6 mL; 0.212 M) is reacted with an aqueous solution of…

A: Given: Concentration of KOH = 0.212 M Volume of KOH solution = 33.6 mL = 0.0336 L…

Q: 15 16 17 18 19 20 21 22 23 24 25 26 27 An aqueous solution at 25 °C has a OH concentration of 1, x…

A:

Q: Mercuric chloride with a concentration of 10-8 M is discharged to a fresh water stream with an…

A:

Q: Determine the mole fraction of NaF in a 11.7343 wt % aqueous solution of NaF.

A:

Q: NaH, THF 1. Ph3P. Br e 2. NaOH, H2O2, НаОТHF 3. Mezs I H. NaH, THF

A: In wittig reaction carbonyl group is converted into double bond. NaOH and H2O2 is used for…

Q: Calculate deltaG for the reaction /, (02) = [O]Fewto at 1650 degrees Celsius. Given: (H2) + / (02)…

A:

Q: 34. Which statement is true about phase diagrams? A) The triple point temperature is the lowest…

A: For most substances , triple point is minimum temperature  at which liquid can exist.

Q: Provide the appropriate reagents or product in the following examples. OMe 1.0s0, TBHP, H,O/THF 2.…

A: Reaction 1 : Heck coupling followed simmon smith reaction. Reaction 2 : Osmylation followed by…

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.