Find the pH of a 0.050 M HCl solution. What would be the final pH if...
1. You are titrating a 100.0 mL solution of 0.050 M HBrwith a 0.150 M solution of KOH. What will be the pH after the addition of 25.0 mL KOH? 2. You titrate 250 mL of 0.250 M acetic acid (Ka= 1.8 x 10-5) with 50.0 mL of 0.350 M NaOH. What is the pH of this solution? 3. For the titration in question 2, what would be the Kaof an ideal indicator.
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".
Calculate the pH and the pOH of an aqueous solution that is 0.050 M in HCl(aq) and 0.085 M in HBr(aq) at 25 °C. pH = pOH =
Calculate the pH and the pOH of an aqueous solution that is 0.050 M in HCl(aq) and 0.060 M in HBr(aq) at 25℃.
Calculate the pH and the pOH of an aqueous solution that is 0.050 M in HCl(aq) and 0.070 M in HBr(aq) at 25°C
What is the pH of a solution with 300. mL of 12. M HCL AFTER it is diluted to 100. Liters ? Note: Volume Units
50.0 mL of a stock solution of hydrochloric acid, HCl (aq), at 12.0 M is diluted by adding it to 150.0 mL of water, H2O. What is the concentration, in units of molarity, of the final, diluted solution?
The titration of 50.00 mL solution of a 0.1 M OAc- with 0.2 M HCl. OAc- is a weak base. Ka for acetic acid = 1.75 * 10^-5. a) Calculate the pH of the 50.0 mL of 0.1 M OAc- solution before the addition of any HCl. b) Calculate the pH of the resulting solution after the addition of 5.0 mL of 0.2 M HCl to the 50.0 mL of 0.1 M OAc- solution. c) Calculate the pH of the resulting...
What is the pH of a 0.054 M HCl solution? What is the molarity of 30.0 mL of a 0.660 M NaOH solution after it has been diluted to 150.0 mL? Show all work . How many moles of gas are there in a gas-filled balloon, which has a volume of 67.0 L at a pressure of 780mmHg and a temperature of 25.0°C? Show all work Calculate the molar mass of methanol, CH3OH
A solution is made by mixing 50 mL of 2.0 M K2HPO4 and 25 mL of 2.0 M KH2PO4. The solution is diluted to a final volume of 200 mL. What is the pH of the final solution?