Calculate ka for formic acid

Assignment Help Chemistry
Reference no: EM13176597

Can someone please walk me through how to do the following problem? Thank you!

For a 0.13 M solution of formic acid, HCOOH, the pH = 2.40. Calculate Ka for formic acid.

HCOOH HCOO- (aq) + H+ (aq)

Reference no: EM13176597

Questions Cloud

Journal entry to record annual depreciation at december : Calculate the amount of depreciation expense that Tiggy should record for Machine B each year of its useful life, under the following assumptions.
Describe quantity demanded : What does the term "quantity demanded" refer to? A. It refers to both the amount of a good that consumers want to buy at a specified price and the amount that suppliers want to sell at that specified price B. It refers to the demand for a good over..
State qualify how the molar solubility changes : A separate experiment is conducted in which 4.82 x 10-5 M CaI2(aq) is added to a solid solution of PbI2 at 20 oC. Qualify how the molar solubility changes
Analyze the foregoing transactions : Analyze the foregoing transactions using the following column headings. Insert the number of each transaction in the Item space, and insert the amounts in the appropriate columns.
Calculate ka for formic acid : For a 0.13 M solution of formic acid, HCOOH, the pH = 2.40. Calculate Ka for formic acid.
State what are the relative populations of these levels : What are the relative populations of these levels at the boiling if the degeneracy level is 2j+ 1? Is the ground state most highly populated level?
What is the total number of moles of ca needed to react : What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
State experimental solid-oxide fuel cells that use butane : Experimental solid-oxide fuel cells that use butane (C4H10) as the fuel have been reported recently. These cells contain composite metal/metal oxide electrodes and a solid metal oxide electrolyte. Consider the following unbalanced half-reactions:
Journalize and post the adjusting entry for bad debts : Journalize and post the adjusting entry for bad debts at December 31, 2012, journalize and post to the allowance account the following events and transactions in the year 2013

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the ph in the titration

Calculate the pH in the titration of 25.0 mL of 0.100 acetic acid by sodium hydroxide after the addition

  Define the potential danger of situation

When a student transfered HCL to a graduated cylinder for addition to the sample , several drops ran down the outside of the cylinder and on to the laboratory bench . Explan the potential danger of this situation , and suggest a good way to clean ..

  Which would work better for the purpose, magnesium or zinc

Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.

  State starting with any alkane alkene or alkyne

starting with any alkane, alkene, or alkyne as your only organic reactant, propose a series of chemical reactions that will yield

  Calculate q, w, and e for melting of ice

The standard molar heat of fusion of ice is 6020 J/mol. Calculate q, w, and E for melting 1.00 mol of ice at 0C and 1.00 atm pressure.

  How many grams of lithopone are produced in the reaction

How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?

  What is the volume of cylinder b

Gas cylinder A has a volume of 48.2 L and contains N2(g) at 8.35 atm at 25 ºC. Gas cylinder B, of unknown volume, contains He(g) at 9.50 atm at 25 ºC

  Purpose does acetic acid serve in the hypochlorite oxidation

What purpose does Acetic Acid serve in the hypochlorite oxidation of cyclohexanol? What advantages does the hypochlorite oxidation offer over conventional methods such as chromium oxidation?

  State what is the equilibrium constant of the formation

What is the equilibrium constant of the formation reaction of ammonia gas at 298.15 K under the conditions that the partial pressures

  How many grams of glucose are of the final solution

The flask was then shaken until the solution was uniform. A 40.0-mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100 mL. of the final solution?

  What pressure will the air exert

A 200. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 48°C?

  How efficient is the extraction of tea leaves

How efficient is the extraction of tea leaves containing 1.0 g of caffeine with two 30-mL portions of chloroform over that of a single step extraction (K25ºC = 8.36)?

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