Please answe 3 and 4. 3. What is the PM at the equivalence point of the...

Question

Question

Please answe 3 and 4.

science chemistry

Answer 1

Answer #1

ty @l H2 so 4 t 2KoH K. So, f2H20

Answer 2

Similar Homework Help Questions

1. How many liters of 3.4 M HI will be required to reach the equivalence point...

1. How many liters of 3.4 M HI will be required to reach the equivalence point with 2.1 L of 2.0 M KOH? 2. How many liters of 1.75 M HCl will be required to reach the equivalence point with 1.25 L of 2.5 M KOH 3. Titration reveals that 11.6 mL of 3.0 M sulfuric acid is required to neutralize the sodium hydroxide in 25.00 mL of NaOH solution. What is the molarity of the NaOH solution? 4. Titration...
1) What is the pH at the equivalence point in the titration of a 20.6 mL...

1) What is the pH at the equivalence point in the titration of a 20.6 mL sample of a 0.441 M aqueous hypochlorous acid solution with a 0.344 M aqueous sodium hydroxide solution? pH =_______ 2) When a 28.7 mL sample of a 0.348 M aqueous hydrofluoric acid solution is titrated with a 0.307 M aqueous potassium hydroxide solution, what is the pH at the midpoint in the titration? pH=________ 3) A 19.7 mL sample of a 0.385 M aqueous...
What is the pH at the equivalence point in the titration of a 16.8 mL sample...

What is the pH at the equivalence point in the titration of a 16.8 mL sample of a 0.468 M aqueous hydrocyanic acid solution with a 0.383 M aqueous potassium hydroxide solution? pH =

Equivalence Point for Titration #1: 24.96 mL Equivalence Point for Titration #2: 25.40 mL Equivalence Point...

Equivalence Point for Titration #1: 24.96 mL Equivalence Point for Titration #2: 25.40 mL Equivalence Point for Titration #3: 25.20 mL Midpoint pH for Titration #3: 9.80 QUESTIONS: 4) Set up the calculation required to determine the concentration of the NaOH solution via titration of a given amount of KHP. Include all numbers except the given mass of KHP. 5) Set up the calculation required to determine the concentration of the unknown strong acid via titration with a known volume...
3. Explain why the pH at the equivalence point of the titration of vinegar with sodium...

3. Explain why the pH at the equivalence point of the titration of vinegar with sodium hydroxide is greater than 7.00 while the equivalence point of the titration of Hydrochloric acid with sodium hydroxide is 7.00.
1) What is the pH at the equivalence point in the titration of a 28.6 mL...

1) What is the pH at the equivalence point in the titration of a 28.6 mL sample of a 0.318 M aqueous acetic acid solution with a 0.344 M aqueous potassium hydroxide solution? pH = 2) A 43.9 mL sample of a 0.512 M aqueous nitrous acid solution is titrated with a 0.203 M aqueous sodium hydroxide solution. What is the pH after 73.7 mL of base have been added? pH =

What is the approximate pk, for the weak acid. (d) Excess hydroxide ion (c) Equivalence point...

What is the approximate pk, for the weak acid. (d) Excess hydroxide ion (c) Equivalence point pH (b) Buffer region ta) Weak acid a) Weak acid 12 14 1 8 10 Volume of NaOH (ml.) Titration curve for the titration of a weak acid with a strong base.
What is the pH at the equivalence point in the titration of a 29.4 mL sample...

What is the pH at the equivalence point in the titration of a 29.4 mL sample of a 0.403 M aqueous acetic acid solution with a 0.386 M aqueous sodium hydroxide solution? What is the pH at the equivalence point in the titration of a 29.4 mL sample of a 0.403 M aqueous acetic acid solution with a 0.386 M aqueous sodium hydroxide solution?
please help please help!! 2. Write the balanced chemical equation for the neutralization of hypobromous acid...

please help please help!! 2. Write the balanced chemical equation for the neutralization of hypobromous acid with potassium hydroxide. Is the pH at the equivalence point above, below, or exactly 7? Explain. 3. Some pH meters are designed for a three-point calibration at pH 4, 7, and 10. Ours are only calibrated with a two-point procedure at 4 and 7 or 7 and 10. Which range would you expect we are calibrating them at for this experiment? Why? 4. (a)...

A student performs a titration of 25.0 mL of 0.100 M lactic acid (HC3H5O3), using 0.050...

A student performs a titration of 25.0 mL of 0.100 M lactic acid (HC3H5O3), using 0.050 M sodium hydroxide (NaOH). The Ka for lactic acid is 1.4 x 10-4. a) (10 points) What is the pH of the solution after the addition of 23.5 mL of sodium hydroxide solution? b) (4 points) How many milliliters of NaOH are required to reach the equivalence point? c) (4 points) Write the chemical reaction that will determine the pH of the solution at...