Define a chemist creates a buffer using benzoic acid

Assignment Help Chemistry

Reference no: EM13513644

A chemist creates a buffer using benzoic acid (Ka=6.30*10^-5) and sodium benzoate by mixing 50.00mL of 0.950M benzoic acid with 40.00mL of 0.850M sodium benzoate.

a. What is the pH of the buffer?

b. What is the pH after 10.00mL of 0.500M HCL is added to the buffer solution? (Titration)

Reference no: EM13513644

Questions Cloud

What would be the effect on earnings per share : What would be the effect on earnings per share in the second year of the 4-year contract of using the percentage-of-completion method instead of the completed-contract method? Discuss.

Find at what angle from horizontal is this force directed : A 22.0 kg child slides down a slide that makes a 37.0° angle with the horizontal. At what angle from the horizontal is this force directed

Compute the unknown amounts : Compute the unknown amounts for the following segmented income statement (in thousands of dollars).

How these accounts would reported in grinkov balance sheet : Most of Grinkov's sales are made on a 2-year installment basis. Indicate how these accounts would be reported in Grinkov's December 31, 2010, balance sheet. The 2009 accounts are collectible in 2011, and the 2010 accounts are collectible in 2012.

Define a chemist creates a buffer using benzoic acid : A chemist creates a buffer using benzoic acid (Ka=6.30*10^-5) and sodium benzoate by mixing 50.00mL of 0.950M benzoic acid with 40.00mL of 0.850M sodium benzoate.

Determine the net force on the system : An electron and proton are separated by 2.0 nm. What is the net force on the system

Explain hcl was used to back titrate the solution : A 0.2570g of pure sulfamic acid, HSO3 . NH2, is neutralized by a KOH solution. A 25.70 mL of KOH was added to the solution and 3.40 mL of HCl was used to back titrate the solution.

What is the magnitude of the electric force between them : In a Certain Organic molecule, the nuclei of two carbon atoms are separated by a distance of 0.25 nm. What is the magnitude of the electric force between them

Compute the amount of gross profit : Compute the amount of gross profit to be recognized each year, assuming the percentage-of completion method is used and prepare all necessary journal entries for 2013.

User Account

All Pages