a) What is the pH of the solution that results from mixing 50 mL of 0.032 M NH3 and 50 mL of 0.032 M HCl? (Kb for ammonia is 1.8 x 10-5)
b) The compound Xe(CF3)2 decomposes in a first-order reaction to elemental Xe with a half-life of 20 minutes. If you place 15 mg of Xe(CF3)2 in a flask, how long will it take until only 0.5 mg of Xe(CF3)2 remains?
c) What indicator would be most suitable for the titration of 25 mL of 0.10 M NH3 with 0.1 M HCl? (Kb for ammonia is 1.8 x 10-5)
a) What is the pH of the solution that results from mixing 50 mL of 0.032...
A solution prepared by mixing 100 mL of 0.10 M NaOH 140 mL of 0.10 M HCl 100 mL of 0.10 M NH3 has a pH of: Kb (NH3) = 1.8 x 10-5 A. 9.08 B. 4.57 C. 7.00 D. 4.92 E. 9.43
(1). The pH of a solution made by mixing 100.0 mL of 0.433 M NH3 with 100.0 mL of 0.259 M HCl is ___. Kb = 1.8 x 10-5 for NH3.
What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M NH3 with 5.00 mL of 0.10 M NH4Cl? Assume that the volume of the solutions are additive and that Kb = 1.8 × 10-5 for NH3. (Select One) 10.26 or 11.13
Calculate the pH of a solution obtained by mixing 25.00 mL of 0.13 M NH3 with 25.00 mL of 5.0×10-2 M HCl. Kb for NH3 is 1.8×10-5.
Calculate the pH of a solution made by mixing 100.0 mL of 0.874 M NH3 with 100.0 mL of 0.100 M HCl. (Kb for NH3 = 1.8 10
What is the pH of a solution made by adding 10.0 mL of 0.10 M HCl to 25.0 mL of 0.10 M NH3? Kb of NH3 is 1.8 X 10-5.
Calculate the pH of a solution made by mixing 100.0 mL of 0.355 M NH3 with 100.0 mL of 0.100 M HCl. (Kb for NH3 = 1.8 10–5) Select one: a. 9.66 b. 8.85 c. 4.34 d. 9.26
Please help! For the titration of 50. mL of 0.10 M ammonia with 0.10 M HCl, calculate the pH For ammonia, NH3, Kh = 1.8 x 105. (a) Before the addition of any HCl solution pH= The number of significant digits is set to 4; the tolerance is +/-2% (b) After 20. mL of the acid has been added pH = The number of siqnificant digits is set to 3; the tolerance is +/-2% (c) After half of the NH3...
What is the pH of the solution from adding 25 mL of 0.33 M HCl to 25 mL of 0.58 M NH3? (Kb for NH3 is 1.8 x 10^-5)
Calculate the pH of a solution formed by mixing 250.0 mL of 0.900 M NH4Cl with 250.0 mL of 1.60 M NH3. The Kb for NH3 is 1.8 × 10-5. 8.25 9.18 10.83 9.50