Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. a beaker with 2.00×102 ml of an acetic acid bu

A beaker with 2.00×102 mL of an acetic acid buffer with a pH of 5.000 is...

90.2K

Verified Solution

Question

Chemistry

A beaker with 2.00×102 mL of an acetic acid buffer with a pH of5.000 is sitting on a benchtop. The total molarity of acid andconjugate base in this buffer is 0.100 M. A student adds 7.20 mL ofa 0.450 M HCl solution to the beaker. How much will the pH change?The pKa of acetic acid is 4.740. Express your answer numerically totwo decimal places. Use a minus ( − ) sign if the pH hasdecreased.

Answer & Explanation Solved by verified expert
4.3 Ratings (681 Votes)
Solution pH 500 total molarity 0100 M Volume 200 ml Volume of HCl added 720 ml Molarity of HCl 0450 M Change in the pH Lets find the ratio of the acid and conjugate base at initial pH PH pka log baseacid Xy 0100 500 474 log    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Problem 1 (3 + 3 + 3 = 9) Suppose you draw two cards from...

Basic Math
Q

For the Original Post*, identify what you believe is an ethical concern or potential for fraud...

Accounting
Q

During which phase of mitosis do the very specific kinetochores begin to attach to their...

Biology
Q

While conducting a plant diversity survey in a temperate rainforest in Washington state, you come...

Biology
Q

In the population 8 of males have had a kidney stone Suppose a medical researcher...

Statistics
Q

4 Consider the vectors v H V2 H V3 2 a Verify that the vectors...

Algebra
Q

Womba Company disposed of all of their Class 8 assets during the year. They had...

Accounting
Q

On July 1, 2017, Sunland Company purchased the copyright to Marigold Corp. for $230000. It...

Accounting
Q

I need a answer for problem PR 12-4B in Accounting using excel for success Edition...

Accounting
Q

For the case shown in the following table, calculate the present value of the cash...

Accounting
Q

Edgewater Enterprises manufactures two products. Information follows: Product A Product B Sales price $ 17.50...

Accounting
Q

Nast Inc. is considering Projects S and L, whose cash flows are shown below. These...

Finance