THE Ka of NH4^+ is 5.5 * 10^-10. what is the Ph of 0100M solution of NH3 in water
One liter of a buffer containing 0.5 M NH3 and 0.5 M NH4+ has a pH of 9.3. If 200 mL of 1 M HNO3 is added to it, what is the new pH? 4.4 8 OOOOOO 9.6
If you mix 100. mL of 0.11 M HCl with 50.0 mL of 0.22 M NH3, what is the pH of the resulting solution? For NH4+, Ka = 5.6 x 10-10 A. 4.63 B. 8.37 C. 9.37 D. 5.19 E. 6.02
Find the pH of a 0.132 M NH4Br. Is this solution acidic, basic or neutral? Ka(NH4 + ) = 5.6 x 10-10
What is the ratio of [NH4Cl]/[NH3] in order to make a NH3/NH4Cl buffer solution with pH=8.70. (Kb for NH3 is 1.8 x 10^–5)
Review Problem 16.110 A buffer is prepared containing 0.11 M NH3 and 0.44 M NH4+. Calculate the pH of the buffer using the Ka for NH4+. Ka = 5.6 x 10-10 for NH4+. pH =
What are the equilibrium concentrations of NH3, NH4+, and OH- in a 0.95 M solution of ammonia? Kb = 1.8x10^-5 What is the pH of the solution? pH =
onsider the reaction of NH3 with water: NH3 + H2O ↔ NH4+ + OH- (Kb=Kw/Ka) and also NH4+ + H2O ↔ NH3 + H3O+ (Ka = 5.70×10-10) be sure to show all work including the ICE Tables. a) Find the pH of 50.00 mL of 0.200M NH3 after the addition of 45.00 mL of 0.200M HCl. b) Find the pH of 50.00 mL of 0.200M NH3 after the addition of 50.00 mL of 0.200M HCl. c) Find the pH of...
A buffer solution contains NH3 0.20 M and NH4 + 0.30 M. Calculate the pH after 2.0 mmol of HCl is added to that solution. The volume of the solution is 50.0 mL and pKa (NH4 +) = 9.25 A 4.89 B. 8.92 C. 9.02 D. 9.07 E 9.58
a) What is the pH of a solution that consist of 0.20 M ammonia, NH3, and 0.20 M ammonium choride, NH4Cl? (Kb for ammonia is 1.8 x 10-5) b) 1.25 g of benzoic acid (C6H5CO2H) and 1.25 g of sodium benzoate (NaC6H5CO2) are dissolved in enough water to make 250 mL solution. Calculate the pH of the solution using the Handerson-Hasselbach equation (Ka for benzoic acid is 6.3 x 10-5). c) What is the pH after adding 82 mg of...