Enter your answer in the provided box. Calculate the pH of a 0.20 M NH3/0.20 M...
Calculate the pH of a 0.20 M NH3/0.20 M NH4Cl buffer after the addition of 25.0 mL of 0.10 M HCl to 65.0 mL of the buffer.
a) Calculate the pH of a buffer that is 0.20 M NH3 and 0.20 M NH4Cl Correct? b) Calculate the pH after addition of 10 mL 0.10 M HCl to 65 mL of the buffer? c) Calculate the pH after addition of 5 mL of 1.0 M LiOH to 200 mL of the buffer?
16.17. Calculate the ph of the nh3 0.20 m/nh4cl 0.20 M dampening system. What is the Ph of the buffer dissolution after adding 10.0 ml of HCl 0.10 M to 65.0 ml of the dampening system.
Enter your answer in the provided box. Determine the pH of (a) a 0.10 M NH3 solution. 11.128 (b) a solution that is 0.10 M NHz and 0.35 M NH_CI. Ky for NHz is 1.8 x 10-5
Enter your answer in the provided box. Calculate the pH at the equivalence point in the titration of 30.0 mL of 0.195 M methylamine (K_b = 4.4 times 10^-4) with 0.305 M HCl. pH =
2. What is the pH of a buffer containing 0.050 M NH3 and 0.050 M NHACI? 3. What is meant by buffer capacity? 4. Sketch a pH titration curve for the addition of 0.10 M HCl to 25.0 mL of a 0.10 M NH3 solution and indicate the "buffer zone". 4. Sketch a pH titration curve for the addition of 0.10 M HCl to 25.0 mL of a 0.10 M NHz solution and indicate the "buffer zone".
Enter your answer in the provided box. Calculate the pH at the equivalence point in the titration of 50 mL of 0.18 M methylamine ( Kb = 4.3 × 10−4 ) with a 0.36 M HCl solution.
3. value 10.00 points 1 out of 3 attempts Enter your answer in the provided box. Find the pH of a buffer that consists of 0.37 M NH3 and 0.12 M NH4CI (pKb of NH3 -4.75)
Enter your answer in the provided box. Calculate the pH of a 0.0100 M HCl solution. pH=0
Enter your answer in the provided box. How many milliliters of 1.36 M NaOH must be added to 225 mL of 0.20 M NaH2PO4 to make a buffer solution with a pH of 8.10? mL