Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. a 500 ml buffer is usually prepared with 46 mm car

A 500 mL buffer is usually prepared with 46 mM carbonic acid and 58 mM sodium...

70.2K

Verified Solution

Question

Chemistry

A 500 mL buffer is usually prepared with 46 mM carbonic acid and58 mM sodium bicarbonate. Unfortunately you have run out of thesereagents; on hand you have the following: solid citric acid,disodium maleate (salt of maleic acid), benzylamine andhydrochloric acid. Which reagent(s), and how much of each, wouldyou need to use to produce a 500 mL buffer with the same formalconcentration and pH as the carbonic acid buffer

Chemicalconcentration or MWMass or volume needed
Citric acid192.124g/mol
Disodium Maleate2.6M
Benzylamine1.4M
HCl3M
water

I calculated the original pH of the solution to be 6.452 and theoriginal amount of moles to be 0.052.

What I'm stuck on is how to properly make a buffer without astrong conjugate for the colution

Answer & Explanation Solved by verified expert
3.7 Ratings (289 Votes)
The carbonic acid sodium bicarbonate buffer is described by theequationH2CO3 H2O H3O HCO3pH Pka log saltacidpH 634 log 58 x 10346 x 103pH 634 0100pH 644We need to use reagents that have pKa in the region of pH we areinterested    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: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

In light of quantum mechanics and relativity theory, pragmatism is the best approach to understanding the...

Physics
Q

Sketch the energy band diagrams for metals, insulators and semiconductors and explain the how they differ...

Electrical Engineering
Q

For example, a definite integral of a velocity function gives the accumulated distance over the period....

Advance Math
Q

MAKING SENSE 5 Where is the Serengeti located in the continent of Africa 6 What...

Biology
Q

Question 1 Read the following excerpt from The Scarlet Letter and answer the question Points...

Biology
Q

What will it cost to carpet a rectangular floor measuring 9 feet by 30 feet...

Basic Math
Q

At LaGuardia Airport for a certain nightly flight the probability that it will rain is...

Basic Math
Q

1 point Find the area of the surface obtained by rotating the curve x 5e...

Algebra
Q

Horizon BP in Antelope Park, Alaska, has noticed that utility bills are substantially higher when...

Accounting
Q

The following information was available for the year ended December 31, 2016 Earnings before interest...

Accounting
Q

unit 6 question 20 Barton Industries expects that its target capital structure for raising...

Finance
Q

Goldfarb owns a 500 acre tract of land known as Blackacre. He executes a deed...

Finance