Chemistry

Determine the pH of a buffer made from 250 ml of 0.50M HF and 150 ml of 0.75 M NaF.

asked by Amber
  1. Substitute into the HH equation. HF is the acid; NaF is the base.

    posted by DrBob222
  2. I still do not understand

    posted by Amber

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    Determine the pH of a buffer made from 250 ml of 0.50M HF and 150 ml of 0.75 M NaF.
  2. chemistry

    2. A 350 mL buffer solution containing 0.15 M HF and 0.150 M NaF is reacted with sodium hydroxide. What mass of NaOH can this buffer neutralize before the pH rises above 4.0? If the same volume of buffer was 0.35 M in HF and 0.35
  3. Chemistry

    I got pH = 5.3 A 1.00 L buffer solution is 0.250 M in HC2H3O2 and 0.250 M in NaC2H3O2. Calculate the pH of the solution after the addition of 0.150 mol of solid NaOH. Assume no volume change upon the Additon o f NaOH. The Ka value
  4. chemistry

    Of the following solutions, which has the greatest buffering capacity? A) 0.821 M HF and 0.909 M NaF B) They are all buffer solutions and would all have the same capacity. C) 0.100 M HF and 0.217 M NaF D) 0.121 M HF and 0.667 M
  5. Chemistry

    A 500.0-mL buffer solution is 0.100 M in HNO2 and 0.150 M in KNO2. Determine whether or not each of the following additions would exceed the capacity of the buffer to neutralize it. a. 250 mg NaOH b. 350 mg KOH c. 1.25 g HBr d.
  6. chemistry

    Which of the following mixtures would made the most effective buffer? a.....100. mL 5.0M HF/0.05M NaF b....100. mL 0.05M HF/0.05M NaF c....500. mL 5.0M HF/ 5.0M Nal d....100. mL 5.0M HF/5.0M NaF
  7. Chemistry

    If you add 0.35grams NaF to 150mL of a 0.30M HF, what is the pH of the resulting solution? To start off would I use the value of 1.4e-11 for F^-^ and 7.2e-4 for HF? Chemistry(Please help) - DrBob222, Tuesday, April 10, 2012 at
  8. chem ap

    please tell me if i am correct a buffer is made using HF and NaF-with a pH of 3.00. compute the ratio of the conjugate base F- to weak acid HF. I previously found Ka of HF which is 7.2x10^-4 and the ph of HF is 3.15. the
  9. Chemistry

    Calculate the pH of the buffere prepared if 40.0 mL of .2M NaOH is added. The previous buffer is made from HF an NaF... assume all necessary information is known about this buffer. Print an equation that shows how the NaOH is
  10. Chemistry

    Should 25 ml of 0.15 M HCL solution be added to 250 mL of buffer solution containing 0.25M HF Ka-7.1 x 10, and 0.40 M NaF at a pH of 3.15 what is the new pH?

More Similar Questions