What is the molecular weight of the acid

Assignment Help Chemistry
Reference no: EM131522707

A sample of 0.1687g of an unknown monoprotic acid was dissolved in 25.0 mL of water and titrated with 0.1150 M NaOH. The acid required 15.5 mL of base to reach the equivalence point.

(a) What is the molecular weight of the acid?

(b) After 7.25 mL of base had been added in the titration, the pH was found to be 2.85. What is the Ka for the unknown acid.

Reference no: EM131522707

Questions Cloud

Provide summary slide which addresses key points of paper : Provide one summary slide which addresses key points of your paper. Provide a title slide followed by a slide with an introduction to your presentation.
Calculate its return on equity : [ROE components CEAC adapted} Using the following financial ratios for the RAM1 Company. calculate its return on equity.
Explain about the microscopic evaluation of evidence : As you think about the microscopic evaluation of evidence, is this an issue that should be considered?
Delta g for the reduction of zinc oxide by carbon : Delta G for reaction 2C+O2-> 2CO is -280kj. Delta G for reaction 2Zn+O2-> 2ZnO is -640kj. What is Delta G for the reduction of zinc oxide by carbon?
What is the molecular weight of the acid : What is the molecular weight of the acid? After 7.25 mL of base had been added in the titration, the pH was found to be 2.85.
Describe possible solutions to grass carp invasion problem : Describe four possible solutions to the Grass Carp invasion problem. These solutions come from your choices in the game: Native Fish and Fishing Policy.
Differentiate accounts receivable and accounts payable : [Liquidity and activity ratios-balance sheet forecasting) You have been asked to project next years working capital requirements of the OS Company.
Determine the molarity of the solution : Assuming that ocean water has the same density as pure water, use this ratio to determine the molarity of the solution and then calculate the osmotic pressure.
Play in lewis structures : What is the "octet rule" and what role does it play in Lewis structures. Use the octet rule to predict Lewis structures

Reviews

Write a Review

Chemistry Questions & Answers

  Explain exact potential difference in the concentration cell

Exact potential difference in the concentration cell, What will be the exact potential difference in the following concentration cells?

  What is the experiment designed to measure

What is this experiment designed to measure? What can the results NOT tell us about the experiment? What special safety precautions do you need to be aware of for this experiment?

  State what was melting point of your impure acetanilide

What was your melting point of your impure and recrystallized acetanilide? What does this tell you about the sucess of your purification?

  Explain the lowest ionization energy of the molecule

The He I (21.22 eV) photoelectron spectrum of a molecule shows three sharp peaks corresponding to photoelectron kinetic energies of 3.24 eV, 4.61 eV and 7.19 eV. What is the lowest ionization energy of the molecule

  What is the molarity of a solution

what is the molarity of a solution prepared by combining 125mL of 0.251 molar HCl with 250mL of pure water

  How the total volume of both metals is measured

The total volume of both metals is measured by the displacement of water to be 419cm3 and the total mass is 4.34kg. What percentage of the spheres are copper?

  The temperature inside a balloon is raised from 250 degc to

the temperature inside a balloon is raised from 25.0 degc to 250.0 degc. if the volume of cold air was 10.0 l what is

  What are individual monomers use in the synthesis of polymer

What are the individual monomers used in the synthesis of the polymer? How much of the polymer are produced each year in the United States?

  Explain does the nmr spectrum and the ir spectrum look like

What does the 1H-NMR spectrum and the IR spectrum look like with notations on each peak on both spectra

  Iincreasing the total pressure on the system

Iincreasing the total pressure on the system by decreasing its volume, (c) adding gaseous I2 to the reaction mixture?

  Solution contains fecl3 0015 m and naoh 0010 m solution

solution contains fecl3 0.015 m and naoh 0.010 m. solution of fecl3aq 3naohaq -gt feoh3s 3naclaq gives precipitate

  State drive chemical reactions in biological systems

A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd