What is the molar mass of the unknown acid

Assignment Help Chemistry
Reference no: EM131712378

Identify an unknown monoprotic acid. To do that, you take 0.211g of the acid and then titrate it with a 0.0500M solution of NaOH. The pH of the solution after you added 33.64 mL of NaOH is 4.89. The equivalence point is reached after you added 44.70 mL of the NaOH solution.

a) What is the molar mass of the unknown acid?

b) What is the pKa of the acid?

Reference no: EM131712378

Questions Cloud

Describe the overall shapes of the given distributions : Deaths 2003. A National Vital Statistics Report (www.cdc.gov/nchs/) indicated that nearly 300,000 black Americans died in 2003 compared with just.
Provide journal entries to write of uncollectible account : Provide the journal entries to write of uncollectible account - Provide all journal entries for accounts receivable and allowance account
Evaluate the firms inventory management systems : Evaluate the organization's facilities with regard to capacity and location. Determine whether the organization has enough capacity.
Under what president was nafta formed and why : What is NAFTA? Under what President was NAFTA formed and why? What countries are linked? What are the advantages and disadvantages of the trade agreement?
What is the molar mass of the unknown acid : a) What is the molar mass of the unknown acid? b) What is the pKa of the acid?
Summarize the similarities and differences in performance : Women s basketball. Here are boxplots of the points scored during the first 10 games of the season for both Scyrine and Alexandra.
Discuss eliminate welfare to help reduce population : If the world is "overpopulated" then should we close all hospitals and eliminate welfare to help reduce population by only allowing only the most fit
Analyze professional communication examples : Locate an article, video, or other resource that relates to using PowerPoint or effective slide design.Analyze professional communication examples.
Ammonium sulfate solution : How many grams of ammonium sulfate are required to prepare 242.6mL of a 0.583M ammonium sulfate solution?

Reviews

Write a Review

Chemistry Questions & Answers

  Define the equilibrium constants for the acid-base reactions

Write net Bronsted equations and determine the equilibrium constants for the acid-base reactions that occur when aqueous solutions of the following are mixed.

  Determine the partial pressure of oxygen o2

Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?

  Evaluate the percent by mass of calcium carbonate

Dissolving 4.69g of an impure sample of calcium carbonate in hydrochloric acid produced 1.07 L of carbon dioxide (measured at 20.0 degrees Celcius and 737mmHg). Calculate the percent by mass of calcium carbonate in the sample.

  Depict the product of the reactions and it is racemic

Draw the product of the following reactions and indicate whether the product would be (R), (S), racemic, or achiral. You do not have to draw a projection that shows the configuration; you can just use the label

  Explain what is the half-life of the substance

You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400 counts. has diminished to 100. counts after 35.2 minutes , what is the half-life of this substance

  What is the molar mass of the gas in a glass bulb

What is the molar mass of the gas in a glass bulb with a volume of 2.50 L at a temperature of 22 degrees C and a pressure of 110 mm Hg. The gas weighed 505 mg.

  Solution of sodium bicarbonate was used in experiment

If a stronger solution of sodium bicarbonate was used in experiment, would it require more or less acetic acid to neutralize and why? If a weaker solution of sodium bicarbonate was used, would the solution require more or less acetic acid to neutr..

  The resonance and inductive effects why trifluoroacetic acid

Explain using resonance and inductive effects why trifluoroacetic acid (Pka = -0.25) is more acidic than ethanol (pKa = 16?

  What is the buffer component ratio

What is the buffer component ratio, ([CH3CH2COO-]/[CH3CH2COOH]) of a propanoate buffer that has a pH of 4.49. Ka of CH3CH2COOH is 1.3 x 10-5.

  A one mole sample of an ideal gas with a cv15r initially at

a one mole sample of an ideal gas with a cv1.5r initially at 320k and 1 atm pressure is allowed to undergo an

  The solution is titrated with 97 ml of 009 m naoh to a

27.0ml of 0.11 m hclis aded to 0.37 g of a commercial antacid. the solution is titrated with 9.7 ml of 0.09 m naoh to

  Explain the molar concentration of the bleach solution

The end point is reached when 31.52 ml of the thosulfate solution is added. What is the molar concentration of the bleach solution. What is its mass percent

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