A lab technician tests a 0.100 mol/L solution of propanoic acid and finds that its hydrogen ion concentration is 1.16 x 10^-3 mol/L. Calculate the percent ionization of propanoic acid in water

  1. 👍 0
  2. 👎 0
  3. 👁 101
  1. Let's call propanoic acid HP.
    HP ==> H^+ + P^-

    Ka = (H^+)(P^-)/(HP)
    If 0.1 M HP acutaly has 1.16 x 10^-3 (H^+), then
    ionization = 1.16 x 10^-3/0.1 and you can convert that to percent by multiplying by 100.

    1. 👍 0
    2. 👎 0
    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    propanoic acid ch3ch2cooh is a weak acid which has a value for dissociation content of ka = 6.3 x 10^-6 calculate the pH of an aqueous solution of propanoic acid containing 37 g of propanoic acid per litre. i'm stumbled on this

    asked by rick on July 27, 2010
  2. Chemistry

    Need help with AP chemistry, specifically Acids and Bases The acid ionization constant, Ka, for propanoic acid, C2H5COOH, is 1.3  10 -5 . (a) Write the expression for the acid-dissociation constant, Ka for propanoic acid. (b)

    asked by Sam on April 9, 2012
  3. Chemistry

    In lab, we were finding the distribution coefficient for propanoic acid and ethyl acetate. As well as propanoic acid and toluene. How would you write the chemical equation for the reaction of propanoic acid and ethyl acetate? I

    asked by Lilian on September 24, 2014
  4. Chemistry

    If you could help me it would be greatly appreciated, Thanx Question 1 In a titration, a 20mL sampl of NaOh(aq) was neutralized by 14.9 mL of 0.13 mol/L H2SO4(aq). The concentration of the base is A. 8.7 mol/L B. 0.35 mol/L C.

    asked by Brittany Rusk on September 22, 2006
  5. Bio Chem

    The pKa of propanoic acid (propionic acid), CH3CH2COOH, is 4.87. Consider an equilibrium mixture of propanoic acid and its conjugate base with a pH of 4.87. Draw the structure of the form (acid or conjugate base) that predominates

    asked by Cristy on September 16, 2014
  6. Chemistry

    In 2-3 sentences, describe how propanoic acid (C2H5COOH) and propanoate anion (C2H5COO-) can be used to make a buffer solution if the Ka of propanoic acid is 1.34 x 10-5.

    asked by gavin on April 26, 2017
  7. Chemistry

    Can you check if this is correct please? a) How many moles of sodium hydroxide are there in 19.00 cm3 of 0.100 mol dm3? My answer: 0.0019 mol b) How many moles of hydrochloric acid are, there in 25.00 cm3 of the acid solution? My

    asked by Franky on October 16, 2011
  8. Chemistry

    What is the pH of a solution containing 0.10 M propanoic acid (HC3H5O2) and 0.10 M sodium propanoate after 0.02 mol of HCl is added to 1.0 L of the solution?

    asked by Blake on February 28, 2010
  9. chemistry

    A common way of producing hydrogen gas in the lab is by reacting zinc with hydrochloric acid. Zn (s) + 2 HCl (aq) -> ZnCl2 (aq) + H2 (g) A sample of impure zinc, of mass 5.10g, reacted with an excess of hydrochloric acid solution

    asked by Lois on November 17, 2016
  10. algebra

    a lab technician has a 15% alcohol solution. She wants to make 100 gallons of a 29% solution. How much of the 15% solution should she use?

    asked by matt on February 15, 2012

More Similar Questions