A sample of pure diprotic acid required 45.50 mL of 0.2000 M NaOH to reach the second equivalence point. Given that the molar mass of the acid is 126.1 g/mol, determine the weight (in grams) of the sample that was titrated. Oo.5738 O0.2868 O1.1475 Omore information is required

Q: Present the 3-membered ring pathway for the following reactions. Cl2 Br

A: Organic compounds can be defined as the compounds containing hydrogen and carbon atoms. 

Q: 80L of 0.0025M sodium sulfate is added. Will a prec rm?

A: Balanced chemical reaction  Pb(NO3)2 + Na2SO4 --> PbSO4(s) + NaNO3 So ,Solubility equilibrium of ...

Q: If 100 ml of a solution contain a mixture of 0.158 g KMNO4 and 0.490 g of K2Cr2O7, a)What is the nor...

A: Mass of KMnO4 = 0.158 g Mass of K2Cr2O7 = 0.490 g Volume of solution = 100 mL Normality of FeSO4 = 0...

Q: >U川

A: To tell the IUPAC name of the given compound.

Q: 2. Calculate the molar solubility of copper(II) hydroxide in a 0.000 50 mol/L solution of sodium hyd...

A:

Q: The colorless solution of an unknown solid turned blue litmus red and emitted an odor of ammonia upo...

A:

Q: For the below two reactions, do the following for each: 1. Write the correct formulas for the produc...

A:

Q: Draw structures for the following compound and explain how each component of the name connects to th...

A: The structure of an organic compound is written in the following steps: Determine the number of car...

Q: Find the partial pressure (in torr) of each gas in the mixture.

A: Partial pressure of any gas in a mixture of non reacting gases is defined as mole fraction of gas x ...

Q: You have prepared an acetic acid buffer solution (pKa = 4.76) containing 0.1 mole each of acetic aci...

A: A buffer solution is prepared by mixing 0.1 mole each of the acetic acid and sodium acetate. Now 0.0...

Q: What is the concentration of free Fe 3+ in 5.4410e-5 M Fe(NO 3) 3 and 1.2391 M NaCN? Fe3+ + 6 CN− →...

A:

Q: 4. The value of the equilibrium constant K. was measured for the reaction A2(g) + B2(g) = 2AB(8) at ...

A:

Q: If 100 ml of a solution contain a mixture of 0.158 g KMnO4 and 0.490 g of K2Cr2O7,  a. What is the n...

A: Given that 100 ml of a solution contain a mixture of 0.158 g KMnO4 and 0.490 g of K2Cr2O7. Molecular...

Q: A solution contains 0.48 mol of HF (pKa = 3.75). 0.24 mol of NaOH are added, and the solution is bro...

A:

Q: For the titration of 10 mL of 0.15 M acetic acid with 0.1 M sodium hydroxide, determine the pH when:...

A: Detail mathematical calculation for pH determination is shown below

Q: A peptide has the following amino acid composition: 2 Met, 2 Phe, 2 Glu, 1 Arg, 1 Lys, 1 Val, 1 Leu,...

A: Amino acid are biomolecules which will have both acid group and basic group  We are required to find...

Q: I. In the Henderson-Hasselbalch equation, the pH is equivalent to the pK, if the ratio of moles of c...

A: pH of solution is defined as negative logarithm of hydrogen ions in the solution. pH means power of ...

Q: In buffer preparation, arrange the following steps in correct order by placing the capital letter (l...

A: Buffer solution is made by up dissolving two components which are :  1.) A weak base and it's conjug...

Q: For the chemical reaction: 2 Mg (s) + O2 (g) > 2 Mg0 (s), if you start the reaction with 2 moles of ...

A: The balance chemical reaction :  2Mg(s) + O2(g) ---> 2MgO(s)  Number of moles of Mg = 2 moles. Nu...

Q: A lake water sample has a pH = 8.609 and a TCO2 concentration of 2730.4 umol kg' in solution. Calcul...

A:

Q: The colorless solution made from an unknown white solid turned blue litmus red. The flame test showe...

A:

Q: 17.4 Give explanations for the following observations. (a) pK, values for CF;CO,H and CH3CO,H are 0....

A: Given, 

Q: KMnO4 according to the  following chemical equation: K2C2O4 (aq) +  2 KMnO4 (aq) +  8 H2O  →10 CO2 ...

A: Based on the balanced chemical equation for the given reaction and following simple unitry method we...

Q: For each of the salts on the left, match the salts on the right that can be compared directly, using...

A:

Q: The electrostatic potential at a distance of 5nm away from a charged, flat surface was found to be -...

A: the solution is shown below.,

Q: 9-10) In going from a pH of 14 to a pH of 1, the (a-amino, a- carboxyl) group of an amino acid will ...

A: The variation of pH is an important factor for deciding the overall charge on any amino acid due to ...

Q: Consider the reversible reaction:   2 HBr(g)               H2 (g)  +  Br2 (g)                     ...

A:

Q: assessment-delivery/start/58370729137action-onresume&submissionid 816490268 EETVIrra 19 has protons,...

A:

Q: Illustrate the carbocation pathway for the following reactions + H20 (acid-catalyzed) Illustrate the...

A: Organic reactions are those in which organic reactant react to form organic products. 

Q: Give each detailed examples of the five conditions of chemical changes 1) color change 2) formatio...

A: 1) color change : When the lead nitrate solution and potassium iodide solution react together then t...

Q: Write the products of the following reactions: (all reactions are a nitration) 2. H* HNO3 (MECO),0

A:

Q: Draw the structure of the major organic product(s) of the reaction. H20 CI • You do not have to cons...

A: Answer of the question given below, 

Q: A Br, B Br Br Br

A:

Q: a. Draw the Lewis StruUcture of the following molecules. b. Write the Electronegativity Configuratio...

A:

Q: The molar solubility of lead chromate In a water solutlon is M.

A:

Q: Calculate the concentration in meq/L in a sample that contains 50.8 mg/L of calcium .

A:

Q: PROBLEM 1: Determine the molar solubility of silver bromide in a. Water b. 6.0 x 10-2 M silver nitra...

A:

Q: What starting material and reagent would you use to get the products shown?* ? HO OH + enantiomer 1)...

A: Osmium tetroxide reacts with an alkene to give 1,2-dihydroxy alkane. The reaction follows the stereo...

Q: The correct name for the compound given is which of the following? 0=C--CH2-CH3 H-N--CH2-CH2-CH3 N-e...

A:

Q: S Schoology My Questions | bartleby + x i bcps.schoology.com/common-assessment-delivery/start/575327...

A: Exothermic reaction: An exothermic reaction is defined as a reaction which releases heat and has a n...

Q: An equilibrium mixture contains N2O4 (P = 0.28 atm) and NO2 (P=1.1 atm) at 350 K. The volume of the ...

A:

Q: How many grams of N2 are needed to make 444 g of NBr3 ?  N2   +   3 Br2   →   2 NBr3   +   44.0 kJ ...

A: N2 + 3Br2 ---> 2NBr3 + 44.0 KJ Weight of NBr2 = 444 gm Molar mass of NBr3 = 253.719 gm Molar mass...

Q: Pyrrole can be reduced to a pyrroline, with zinc and acetic acid. What are the possible structures t...

A:

Q: A laboratory manager wants to prepare 250.00 mL of a buffer with a pH of 8.576 from equimolar soluti...

A: Solution - According to the question - Given - Total volume = 250.00 mL pH  = 8.570  Ka = 2.000e-9 ...

Q: localized electron pairs?

A:

Q: Draw the left and right saccharide formed when the disaccharide is hydrolyzed?

A: A disaccharide is formed from two monosaccharides that are joined by glycosidic linkage.For example,...

Q: What is the solubility of PbSO 4 in 0.1868 M Na 2SO 4? K sp(PbSO 4) = 6.300e-7

A: The solubility of PbSO4 can be calculated as follows

Q: A gas that has a volume of 8.5 liters, a temperature of 35 0C, and an unknown pressure has its volum...

A: Given :-  Initial temperature = 35°C  Initial volume = 8.5 L  Final pressure = 1.6 atm  Final volume...

Q: 1. What is the mechanism of the reaction between tert-butyl alcohol and HCI?

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: When UV radiation of wavelength 58.4 nm from a helium lamp is directed on to a sample of Xe, electro...

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.