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)
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What is the ratio of [NH4Cl]/[NH3] in order to make a NH3/NH4Cl buffer solution with pH=8.70....
What amount of NH4Cl must be added to 50.0 mL of 0.30 M NH3 in order to produce a buffer of pH 9.00? Assume the addition of NH4Cl does not change the volume of the solution. Kb = 1.8 × 10-5 for NH3
what concentration ratio of Nh3 to Nh4Cl is necessary to get a buffer solution with a pOH of 4.5? Kb= 1.8x10^-5
What is the pH of a buffer formed from 50 mL of 15.0 M NH3 and 53.5 g of NH4Cl in enough water to make 500 mL of solution? (Kb = 1.8 x 10-5)
1. Calculate the pH of a buffer solution which is 0.50M in NH3 and 0.30M in NH4Cl. Given Kb = 1.8 x 10^-5 for NH3. a) Calculate Ka. b) Calculate pKa. c) Calculate pH using the Henderson-Hasselbalch equation.
What is the pH of a solution that is 0.093 M NH3 and 0.64 M NH4Cl? (NH3; Kb = 1.8 × 10-5)
What is the pH of the buffer solution that contains 1.9 g of NH4 Cl in 250 mL of 0.13 M NH3? Is the final pH lower or higher than the pH of the 0.13 M ammonia solution? ( for ammonia is.) pH of the buffer = The final pH is _______higherlower than the pH of the 0.13 M ammonia solution.
How many moles of NH3 are required in a 1.00L solution to create a buffer with a pH of 8.81 if the solution contains 0.64 moles of NH4Cl? Kb NH3 = 1.8 x 10-5?
How many grams of dry NH4Cl need to be added to 2.40 L of a 0.400 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.78? Kb for ammonia is 1.8 x 10^-5.
What is the pH of a 0.10 M NH4Cl solution? (Kb(NH3) = 1.8 x 10-5 A. 7.25 B. 11.3 C. 5.63 D. 3.40 E. 10.6
What is the pH of a 0.01 M NH4Cl solution? (Kb(NH3) = 1.8 x 10-5 A. 7.25 B. 11.3 C. 5.63 D. 3.40 E. 10.6