Ba(OH)2 is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.700 M Ba(OH)2 solution.

I know that

Ba(OH)2 -> Ba + 2OH

But how do I determine the concentrations? I feel like I am making this more complicated than need be

  1. 👍 1
  2. 👎 0
  3. 👁 6,029
  1. Yes, you certainly are making it more than it is.
    0.700 M Ba(OH)2 means 0.700 mols Ba(OH)2/L soln.
    So [Ba(OH)2] = 0.700 M
    When it dissociates, according to the equation you wrote, then
    (Ba^2+) = 0.700 M
    (OH^-) = 2*0.700 M = ? BECAUSE there are twice as many OH^- as Ba^2+. Ba^+ = the same as [Ba(OH)2] BECAUSE one(1) molecule Ba(OH)2 produces one (1) ion of Ba^2+ (and of course two (2) ions of OH^-.

    1. 👍 4
    2. 👎 0
  2. YOu wRonG

    1. 👍 1
    2. 👎 0
  3. OH

    1. 👍 1
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. CHEM

    A concentrated weak acid is best described as which of the following? (a) a solution with a high pH (b) a solution where the concentration of undissociated acid particles is high and relative quantity of hydronium ions is low (c)

    asked by Lena on July 24, 2009
  2. Chemistry

    Which of the following compounds is a strong electrolyte? a. C6H12O6 b. C7H14O5 c. C4H8O2 d. NaC2H3O2 e. All of these --- I think it is D but I'm not sure. Also, how do you know if it is a strong or weak acid?

    asked by Kathryn on April 20, 2011
  3. chemistry

    Strong base is dissolved in 665 mL of 0.400 M weak acid (Ka = 3.69 × 10-5) to make a buffer with a pH of 3.94. Assume that the volume remains constant when the base is added. HA(aq) + OH-(aq) -> H2O(l) + A-(aq) Calculate the pKa

    asked by craig on July 8, 2012
  4. Chemistry

    When HCl(aq) is exactly neutralized by NaOH(aq), the hydrogen ion concentration in the resulting mixture is a. always equal than the concentration of the hydroxide ions b.sometimes greater and sometimes less than the concentration

    asked by Julia on April 20, 2010
  5. chemistry

    which solution has the highest concentration of hydroxide ions? a ph=7.93 b ph=12.59 c ph=7.00 d ph=9.82 e ph=3.21 i know the answer is 7 but why is it seven? would it be different if it said hydronium ions?

    asked by jessie on December 11, 2010
  1. Chemistry

    (NH4)2S is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.200 M (NH4)2S solution. [NH4] = M [S] = M

    asked by Natalie on April 3, 2014
  2. Chemistry 12

    9. According to Arrhenius, which of the following groups contain: i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4, HCl c. HNO3, HCl, H3PO4 d. Mg(OH)2, AgBr, HF e. KOH, NH4OH, Ba(OH)2 10. Enough water is added to 100

    asked by Kavitha on May 22, 2011
  3. physics

    At a point high in the Earth’s atmosphere, He 2+ ions in a concentration of 2.8 X 1012/m3 are moving due north at a speed of 2.0 X 105 m/s. Also, a 7.0 X 1011/m3 concentration of O2 ions is moving due south at a speed of 7.2 X

    asked by kassi on September 12, 2011
  4. chemistry

    in what ratio 0.2M NaCl and 0.1M CaCl2 solutions are to be mixed so that in the resulting solution, the concentration of negative ions is 50% greater than the concentration of positive ions?

    asked by jaimi on April 16, 2015
  5. Chemistry

    I have a lab for chemistry that I have to turn in soon, and I have no idea what the major and minor species if any of each of the substances we tested. Can someone please help me answer which one is the major/minor species of each

    asked by Esmeralda on September 12, 2010

You can view more similar questions or ask a new question.