QUESTION 7
Calculate the pH of 0.38 M NH4NO3 · Kb(NH3)=1,8 × 10-5
Enter your answer to two places after the decimal.
Calculate the PH of a 0.36 M aqueous solution of NH4NO3. Kb of NH3= 1.8 x10^-5. Please show your work; I know how to do a normal problem but I am confused because the Kb is only for NH3, not the whole thing. Thanks!
Part A ) Calculate the pH of 0.20 M NH3 (Kb=1.8×10−5). Express your answer using two decimal places. Part B) Calculate the concentrations of all species present in 0.20 M NH3 (Kb=1.8×10−5). Express your answers using two significant figures separated by commas. Enter the concentrations of the species in the order listed below. [NH4+],[NH3],[OH−],[H3O+] = ?,?,?,?
What is the pH of a 0.720 M aqueous solution of NH4NO3? The Kb for NH3 is 1.8 x 10-5.
1) Calculate the pH of a 0.026 M solution of NH4NO3. Kb of NH3= 1.8x10^-5. include both the dissociation and hydrolysis equations in the set up 2)calculate the pH of a 75 ml buffer solution containing 0.20 M of citric acid(C6H8O7, Ka= 3.2x10^-7) and 0.30 M sodium citrate. and what is the pH after adding 3.0 mlbof 1.5 M HCl to the buffer solution in that question? 3) what is the pH of 20.00 ml of 0.40 M nitrous acid(...
Ammonia, NH3, is a weak monoprotic base with Kb = 1.76 × 10−5. Calculate the pH of a 0.00779 M solution of this base. Report your answer to TWO places past the decimal.
Calculate the pH of a 0.401 M solution of NH4Br (Kb of NH3 = 1.8 x 10-5). Enter pH to 2 decimal places.
Part A: Calculate the pH of 0.61 M NH3 (Kb=1.8×10−5). Part B: Calculate the concentrations of all species present in 0.61 M NH3 (Kb=1.8×10−5).
Calculate the pH and percent dissociation of 0.25 M NH3, Kb = 1.8 × 10^–5
38. A buffer solution is 0.40 M NH3 and 0.60 M NHACI. Kb for NH3 is 1.8 x 10-5 a) Calculate the pH for the buffer system. b) Calculate the pH of the solution after adding 0.00600 moles of NaOH to 400.0 mL of the buffer. c) Calculate the pH of the solution after adding 0.050 moles of HCl to 600.0 mL of the buffer.
A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10?5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0 mL of HNO3. Express your answer numerically.