CHEMISTRY

A 6.6 × 10–4 M solution of MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? For Mn(OH)2, Ksp = 2.0 × 10–13.

  1. 👍 0
  2. 👎 0
  3. 👁 251
  1. (Mn^+2)(OH^-) = 2.0 x 10^-13
    Substitute 6.6 x 10^-4 for Mn^+2 in Ksp and solve for OH^-. Convert to pOH, then to pH.

    1. 👍 0
    2. 👎 0
    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    A 2 x 10^-3 M solution of MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? [Ksp of Mn(OH)2=2 x 10^-13]

    asked by lauren on December 18, 2009
  2. Chemistry

    _____ g of MnSO4 H2O are needed to prepare a solution of 100.00 mL of 0.700 M MnSO4 Dilution of 1.00mL of 0.7 M MnSO4 solution to 20.00 mL aqueous solution gives a new concentration of _____ M .

    asked by Phan on April 5, 2009
  3. chemistry

    If you made up a solution of NaOH by adding 0.010 mole of solid NaOH to 1.0 liter of distilled water, what would be the pH of the solution?

    asked by Monica on December 18, 2012
  4. Chemistry

    Why does the addition of 50ml of 0.5M NaOH to 50mL of 0.6M KOH cause the pH to decrease (aka more acidic)? Because you have reduced the (OH^-) of the 0.6 M KOH by adding an equal volume of 0.5 M NaOH 50 mL x 0.6 M KOH = 30

    asked by Vic on August 21, 2007
  5. Chemistry

    HI, we conducted a qualitative analysis, to identify the cations in an unknown sollution..trying to determine whether it had Al 3+, Fe (3), and Lead ions..i am having trouble understanding some parts of the procedure. before

    asked by Joe on February 28, 2010
  6. General Chemistry

    Starting out with 50 mL of 0.20 M NaHCO3, calculate how many mL of 0.50 M NaOH solution to add to make 100 mL of approximately 0.10 M (total) buffer solution with a pH of 10.35. By adding NaOH, some of the NaHCO3 gets converted to

    asked by Lucy on April 3, 2012
  7. science

    NaOH has a MW of 40. A 0.12M solution is made by adding how much NaOH to 100mL of water?

    asked by jake on December 9, 2011
  8. chemistry

    1. NaOH has a MW of 40. A 0.12M solution is made by adding how much NaOH to 100mL of water?

    asked by jenny on December 8, 2011
  9. chemistry

    If you made up a solution of NaOH by adding 0.010 mole of solid NaOH to 1.0 liter of distilled water, what would be the concentration of the OH-(aq)?

    asked by carli on April 29, 2013
  10. CHEMISTRY

    A solution is made by mixing 12.0 g of NaOH and 75.0 ml of 0.200 M HNO3 a) write a balanced equation for the reaction that occurs between the solutes. b) Caclulate the concentration of each ion remaining in solution. c) Is the

    asked by Sara on September 18, 2007

More Similar Questions