A solution of 0.12 M NaOH is used to titrate 55.0 mL 0.28 M HCI. Determine...
A 0.080 M NaOH solution was used to titrate a 20.00 mL sample of hydrobromic acid with a concentration of 0.040 M. (a) What is the volume of base needed to reach the equivalence point? (4 pts) (b) What is the pH after adding 7.0 mL of base? (4 pts) (c) What is the pH at the equivalence point? (3 pts)
Acid-Base Titration: A 0.15 M solution of NaOH is used to titrate 200.0 mL of 0.15 M HCN. What is the pH at the equivalence point? Ka = 4.9 x 10-10. Please include steps/work so I can see and understand how this problem is solved.
A 0.205 M NaOH solution is used to titrate 20.0 mL of solution of H2SO4. Write a balanced equation for this acid base reaction If 45.6 mL of the NaOH solution is required to reach the endpoint, what is the molarity of the H2SO4solution. What is the PH of the solution if the hydroxide concentration [OH-] is 4.3 x 10-6M.
We’re going to titrate formic acid with the strong base, NaOH. There is initially 100. mL of 0.50 M formic acid and the concentration of NaOH is 1.0 M. What is the initial pH of the formic acid solution? 2) What is the percent ionization under initial conditions? 3) After the addition of 10 mL of NaOH, what is the pH? 4) After the addition of 25 mL of NaOH, what is the pH? Think about where in the titration...
a) 28.3 mL of a 0.200 M NaOH solution is required to titrate a 200.0 mL sample containing HCl to its equivalence point. What was the concentration of HCl in the solution with which you started? b)The pH of blood is = 7.4. What is the concentration of OH- ions?
An aqueous solution of Ca(OH)2with a concentration of 0.143 M was used to titrate 25.00 mL of aqueous HCl. 14.73 mL of the Ca(OH)2was required to reach the endpoint of the titration. How many moles of base were required to react completely with the acid in this reaction? How many moles of HCl were present in the original 25.00 mL of acid? What is the molarity of the original HCl solution? 04 Question (a points) aSee page 166 Watch the...
A 23.74 mL volume of 0.0981 M NaOH was used to titrate 25.0 mL of a weak monoprotic acid solution to the stoichiometric point. Determine the molar concentrations of the weak acid solution. Express your answer to the correct number of significant figures,
i need help with understanding 7a,7b, and 7c A 2 M NaOH is used to titrate 1000 mL of a solution of HCI (hydrochloric acid), the concentration of which is unknown. If 100 mL of 2 M NaOH is required to neutralize the HCI solution: 7. How many moles of NaOH were added? How many moles of HCI were present in the unknown solution? What was the concentration of the unknown solution of HCI?
If it requires 24.83 mL of a 0.205 M NaOH solution to titrate a 25.00 mL. HCl solution, what is the concentration of HCI? Type your answer...
Name: CHE 121 Lab: Titration Purpose: To determine the M of an unknown NaOH solution and then to determine the M of vinegar, Reaction 1: HCI + NaOH NaCl + H2O Procedures 1 Rinse all burets and flasks with tiled water. Discard washin sink 2 Rinse buret with 5 ml of Base Discard in waste container 3. Fill buret with Base. Record starting volume 4 Add 10 ml of distilled water to deared flask 5. Pipet eactly 10.0 ml of...