Which of the indicators listed above would be appropriate for the titration of HF (Ka = 6.6x10-4) with NaOH?
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Which of the indicators listed above would be appropriate for the titration of HF (Ka =...
Which one of the following indicators would be appropriate to determine the equivalence point in the titration of 0.25 M HClO with 0.25 M NaOH? thymol blue bromocresol purple bromocresol green thymolphthalein
3. A solution is prepared by treating 50 mL of 0.50 M HF (Ka = 6.6x10 ) with 10 mL of 1.15 M NaOH. Calculate the pH of the solution. 4. If enough NaOH is added to the solution in problem 3 to neutralize the HF, what will the pH be? 5. 42.16 mL of a solution of NaOH are required to neutralize 0.7878 g of potassium hydrogen phthalate (Mwt = 204.23 g/mol). Calculate the molar concentration of NaOH in...
Explain which of the following indicators would be appropriate for a strong acid-strong base titration? Indicator pH of color change Bromphenol blue 3.0 - 4.6 Bromothymol blue 6.0 - 7.6 Phenolphthalein 8.0 - 9.6
Given the value Ka of HF is 6.6x10^-4, write an equilibrium equation for the reaction in water of the following and calculate the pH for: a) .100 M HF b) .100 M NaF
For a 0.7M HF solution with a Ka= 6.6x10-4 What is the H30+ concentration: Whats id the pH:
Consider the titration of 25.0 mL of 0.100 M HF with 0.125 M KOH. The Ka is 6.8 x 10-4 for HF. What is the pH after 20.0 mL of base are added? Please show steps.
a 50.0 ml solution of .120M HF is about to be titrated with .060M NaOH, the Ka of HF is 6.6x10^-4. what is the pH of the HF solution prior to any NaOH added? 2. what is the pH of the solution if 25.0mL of NaOH is added to the 50.0mL volume of HF? 3. what is the pH if a total of 50.0mL of the .060M NaOH is added to the 50.0mL volume of HF? 4. what is the...
Calculate the pH of a 0.10-M solution of sodium fluoride (NaF) at 25°C. Ka (HF) = 6.6x10^-4 (Please explain all steps and reasoning)
Question 27 3 pts Which one of the following indicators would be appropriate to determine the equivalence point in the titration of 0.25 MCsH3N with 0.25 M HCI? O phenolphthalein Ophenol red O 2,4-Dinitrophenol O alizarin yellow R
In the titration of 25.00 ml of 0.10 M HF with 0.10 M NaOHn given ka = 3.5 x 10-4 find initial PH, PH at the equivalence point and Ph at half equivalence point