What is the ph of the buffered solution

Assignment Help Chemistry
Reference no: EM13154633

A buffer solution is prepared by adding 32.8 grams of sodium acetate, NaC2H3O2 to 1.00 L of 0.500 M acetic acid, CH3CO2H. Ka = 1.8 x 10-5 for acetic acid.

a. What is the pH of the buffered solution?


b. What is the pH of the buffered solution if 0.320 grams of NaOH is added?

c. What is the pH if 0.010 mole of HCl gas is bubbled into the original buffered solution?

 

Reference no: EM13154633

Questions Cloud

Calculate the ka for the acid : A solution is made by dissolving 0.040 moles of the weak acid HA in water to make 1.00 L of a solution whose pH is 4.90. Calculate the Ka for the acid.
Explain important role in reducing standard error of mean : Why does the sample size play such an important role in reducing the standard error of the mean? What are the implications of increasing the sample size?
What is the activation energy of nitric oxide reaction : The second order reaction for the breakdown of nitric oxide to its elements has the rate constants of 0.0796 L/mol-s at 737 C and 0.0815 L/mol-s at 947 C. What is the activation energy of this reaction?
Merchandise on credit with terms : A company purchased $1,500 of merchandise on credit with terms 3/15, n/30. How much will be debited to Accounts Payable if the company pays $485 cash on this account within ten days?
What is the ph of the buffered solution : A buffer solution is prepared by adding 32.8 grams of sodium acetate, NaC2H3O2 to 1.00 L of 0.500 M acetic acid, CH3CO2H. Ka = 1.8 x 10-5 for acetic acid.
Determining percentage-of-completion method : Dalton Construction Co. contracted to build a bridge for $5,000,000. Construction began in 2010 and was completed in 2011. Data relating to the construction are:
Construct confidence interval for sigma : A random sample of 20 students obtained a mean of x = 72 and a variance of s2 = 16 on a college placement test in mathematics. Assuming the scores to be normally distributed, construct a 98% confidence interval for sigma^2.
Journal entry to record interest-using effective interest : prepare a journal entry to record interest on december 31,2012, using the effective interest method.
What is the approximate pressure of the gas inside the lungs : The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of na2so3 were added to the calorimeter cup

How many moles of Na2SO3 were added to the calorimeter cup if 40.0mL 0.50 M NaOCl and 60.0mL 0.50 M Na2SO3 were combined?

  What are the equilibrium concentrations of n2o4

For the following reaction, Kc = 0.513 at 500 K . N2O4(g) 2NO2 (g)

  Calculate the heat of enthalpy for the reaction

Calculate the heat of enthalpy for the reaction: PCl5(g) → PCl3(g) + Cl2(g)

  Why same kind of enzyme have different thermal properties

A biochemist is trying to purify the enzyme hexokinase from a bacterium that normally grows in the Arctic Ocean at 5C. In the next lab

  What conversion of aqueous formaldehyde to methylene glycol

Conversion of aqueous formaldehyde to methylene glycol? Assuming that you have formaldehyde, CH2O, fully solubilized in water at a temperature of 200 degrees F, is the first order and natural reaction

  How many grams of hydrogen was used in the process

If One gram (1.5 g) of glyceryl trioleate is completely hydrogenated.How many grams of hydrogen was used in the process.

  Calculate mole fractions and partial pressures of each gas

A mixture consisting of 2.50×10!3 g of O2, 3.51×10!3 mol of N2, 4.67×1020 molecules of CO are placed in a vessel with a volume of 4.65 L at 15.4°C.

  What is the molarity of the analyte

If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?

  What the new pressure will be

A tire has a pressure of 780 mmHg at 27°C. If the tire is heated to 47°C on hot pavement, what the new pressure will be:

  Reaction of a mixture of organic acids

When calcium carbonate is added to the solution of organic acids, the following compounds form: calcium methanoate salt from the methanoic acid; calcium ethanoate from the ethanoic acid; and calcium phenoxide salt from the phenol.

  Find the temperature at which ethanol boils

Find the temperature at which ethanol boils on a day in the mountains when the barometric pressure is 547 mmHg.  (Given: The heat of vaporization of ethanol is 39.3 kJ/mol; the normal boiling point of ethanol is 78.3°C.)

  Calculate the final molarity of the solution

calculate the final molarity of the solution that results when 125 ml of .200 M HCL is diluted to 1.00L

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