Chem II

posted by .

Calculate the pH and percent ionization for the solution made up of 0.035 M NH3 and 0.015 M NH4Br.

  • Chem II -

    Use the Henderson-Hasselbalch equation. I assume you have the Kb for NH3. I do't see how you can work the problem without it.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chem

    NH4Br has been dissolved into 1 L of water at 25 degrees celcius. the solution has a pH of 5.16. calculate number of grams of NH4Br. I don't even know how to write the equation for this. Could someone please write the water + NH4 equation …
  2. ap chem

    NH3 + H20 <---> NH4+ + OH- this is aqueous solution. In 0.0180 M nH3, THE [OH-] is 5.60 X 10^-4 M. it is assumed that the volumes are additive. Determine the value of the base ionization constant, kb, for NH3. i am not sure how …
  3. chem

    A 120.0 mL buffer solution is 0.105 M in NH3 and 0.135 M in NH4Br, What mass of HCl could this buffer neutralize before the pH fell below 9.00?
  4. Chemistry

    Calculate the molarity and the molality of an NH3 solution made up of 30 g of NH3 in 70 g of water. The density of the solution is 0.982 g/ml. Molar Mass of NH3 = 17.04 g
  5. college chem

    The cation M2+ reacts with NH3 to form a series of complex ions as follows: M2+ + NH3 M(NH3)2+ K1 = 102 M(NH3)2+ + NH3 M(NH3)2 2+ K2 = 103 M(NH3)2 2+ + NH3 M(NH3)3 2+ K3 = 102 A 1.0 × 10–3 mol sample of M(NO3)2 is added to 1.0 L …
  6. CHEM HELP!!!

    I don't get two questions out of my homework and I know the answers to them but just not how the answers were gotten. PLEASE HELP!! 1) A handbook gives the aqueous solubility of carbon monoxide at 0 C and 1 atm CO pressure to be 0.0354 …
  7. Chemistry

    Find the pH of each mixture of acids. 0.020 M HBr and 0.015 M HClO4. They are both strong acids Si they dissociate completely. Si do I just add 0.020 and 0.015 and take the -log of that concentration to get the pH?
  8. chem help

    a. Determine the percent ionization for a 1.00M phosphoric acid solution at 25.0 oC given the following (assume the small x approximation is valid) H3PO4(aq) H2PO4(aq)H+(aq) ΔGf (kJ/mol) -1142.6| -1130.2 | 0 b. Assuming ΔGf …
  9. chemistry

    The weak acid HQ has pKa of 4.89. 1)Calculate the [H3O+] of .035 M HQ. 2)Calculate the (OH-) of 0.500 M HQ ....Am I correct?
  10. chem

    Calculate the equilibrium concentration of NH3,Cu^2+,[ Cu(NH3)]^2+ ,[Cu(NH3)2]^2+,[Cu(NH3)3]^2+,and[Cu(NH3)4]^2+ in a solution made by mixing 500.0 ml of 3.00 M NH3 with 500.0 ml of 2.00*10^-3 M Cu(NO3)2. The sequential equilibria …

More Similar Questions