Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. direct method example: a buffer was created by mix

DIRECT METHOD EXAMPLE: A buffer was created by mixing 10 mL of a 0.10 M hydrofluoric...

70.2K

Verified Solution

Question

Chemistry

DIRECT METHOD EXAMPLE: A buffer was created by mixing 10 mL of a0.10 M hydrofluoric acid solution with 25 mL of a 0.20 M sodiumfluoride solution. What is this solution’s pH? Do you expect it tobe a ‘good’ buffer with a high buffer capacity or a ‘poor’ bufferwith low capacity? The Ka of hydrofluoric acid is: 7.2 x 10-4. Showwork, thank you.

Answer & Explanation Solved by verified expert
4.3 Ratings (619 Votes)
first calculate moles of both reactants moles of NaF 0025 020 0005 moles moles of HF 0010 01 0001 moles pH pKa logAHA pKa log72x104 314 pH 314 log00050001 pH 384 The goal of a buffer is to keep the pH of a solution within a narrow range While the ratio of AHA influences the pH of a solution the actual concentrations of A and HA influence the    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

Basic Math
1.2K views

1. Find all the values of x such that the given series would converge. ??n=1 (3x)^n/n^11 The series...

Medical Sciences
1.2K views

Jeremy's trainer should have taken a physiology class. If he had, he would know that the...

Basic Math
1.2K views

Wayne Collier designed an experiment to measure the fuel efficiency of his family car under different...

Biology
1.2K views

In a population of organisms 25 is homozygous dominant and 25 is heterozygous What percentage...

Basic Math
1.2K views

Use the long division method to find the result when 3x - 29x - 16x...

Calculus
1.2K views

P 3 0 1 Points Find the solution of the differential equation that satisfies the...

Accounting
1.2K views

I need help calculating questions 5, 6, 7 in the problem set ...

Accounting
1.2K views

View Alex's 2022 Schedule K - 1 from Hill...

Accounting
1.2K views

Analyzing Manufacturing Cost Accounts Fire Rock Company manufactures designer paddle boards in a wide variety...

Accounting
1.2K views

please answer the two questions without an answer first i have attached the tables as...

Accounting
1.2K views

Pilbarra Ltd has a profit after tax of $20 220 000 for the period ended...

Accounting
1.2K views

The following accounts, with the balances indicated, appear in the ledger of Garcon Co. on...