Chemistry

posted by .

I'm trying to work out the equation for when ammonia solution is added to zinc hydroxide solution. I think a precipitate forms.

[Zn(OH)4]2- + NH3(aq) + H2O(l) --> ????


Zn(OH)2 + 4NH3 ==> Zn(NH3)4(OH)2
The Zn(OH)2 forms a soluble complex ion with NH3.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    In a lab, we added NH3(aq) to CuSO4(aq), and the solution turned dark blue with a precipitate. The problem is that the products ( Cu(NH3)4 and SO4) should be soluble, no?
  2. chemistry

    from the balanced equation 4NH3 +7O2 - 4NO2 + 6H2O How many molecules of water are produced when 2.25 moles of ammonia are completely reacted?
  3. Chem

    A concentrated solution of ammonia is added to a solution of zinc oxide?
  4. chem

    Equal volume of a 0.02 M Zn+ solution and a 2.0M NH3 solution are mixed. Kf for [Zn(NH3)4] is 4.1*10^8. If enough sodium oxalate is added to make the solution 0.1 M in oxalate, will ZnC2O4 precipitate. Ksp ZnC2O4= 2.7*10^-8. I set …
  5. Chemistry

    A 100 milliliter sample of 0.100-molar NH4Cl solution was added to 80 milliliters of a 0.200-molar solution of NH3. The value of Kb for ammonia is 1.79 x 10^-5. (a) What is the value of pKb for ammonia?
  6. Chemistry

    A 100 milliliter sample of 0.100-molar NH4Cl solution was added to 80 milliliters of a 0.200-molar solution of NH3. The value of Kb for ammonia is 1.79 x 10^-5. (a) What is the value of pKb for ammonia?
  7. chemistry

    what is the Molarity (M) of a 0.87m aqueous solution of ammonia, NH3?
  8. Chemistry

    in the presence of NH3, Cu+2 forms the complex ion [Cu(NH3)4]+2. If the equilibrium concentrations of Cu+2 and [Cu(NH3)4]+2 are 1.8x10^-17M and 1.0x10^-3M respectively, in a 1.5 M NH3 solution, calculate the value for the overall formation …
  9. chemistry

    50.0 mL of a 0.00200 M Cd^2+ solution is titrated with 0.00400 M EDTA in the presence of 0.0750 M NH3 buffered at pH = 9.00. Determine pCd^2+ when 28.5 mL of EDTA solution have been added. Cd^2+ + Y^4- ?
  10. Chemistry

    How would you write these chemical reactions?

More Similar Questions