Find the pH of a 0.050 M HCl solution. What would be the final pH if 50.0 mL of the 0.050 M HCl solution was diluted to 250. mL?
What is the pH of a 0.050 M HClO(aq) solution? Ka,HClO = 4.0 × 10−8 M.
Find the pH of 0.130 M NaCN solution. For HCN, Ka=4.9×10^-10
An unknown salt is either NaF, KBr, NaCN, or NaOCL. When 0.050 mol of the salt is dissolved to form a 0.500 L solution, the pH of the solution is about 10.50. Identify which salt is most likely the unknown.
8. What is the pH of a solution of 0.05M NaCN.
You are titrating 130.0 mL of 0.050 M Ca2 with 0.050 M EDTA at pH 9.00. Log K for the Ca2 EDTA complex is 10.65, and the fraction of free EDTA in the Y4-form, *. is 0.041 at pH 9.00. (a) What is Kt, the conditional formation constant, for Ca2 at pH 9.00? Number K: (pH 9.00) = 110 (b) What is the equivalence volume, Ve, in milliliters? Number mL (c) Calculate the concentration of Ca+ at V- 1/2 Ve...
What is the pH of 0.050 M KCN at 25
Calculate the pH of a 0.233 M solution of HNO2 that is also 0.050 M in NaCl, using activities. What would be the relative error in the pH if you had neglected activities?
Question 9 of 11 > Determine the pH of a solution containing 0.050 M NaOH and 0.025 M KI neglecting activities. pH = Determine the pH of the same solution including activities. Activity coefficients at various ionic strengths can be found in this table. 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".