Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. using a 0.20 m phosphate buffer with a ph of 7.4,

Using a 0.20 M phosphate buffer with a pH of 7.4, you add 0.71 mL of...

70.2K

Verified Solution

Question

Chemistry

Using a 0.20 M phosphate buffer with a pH of 7.4, you add 0.71mL of 0.45 M HCl to 51 mL of the buffer. What is the new pH of thesolution?

Answer & Explanation Solved by verified expert
3.7 Ratings (686 Votes)
Since this is a buffer near pH 74 we need to find pKa similar to that th enoly pKa similar to that is 721 which correspond to the second dissociation H2PO4 H and HPO42 Ka2    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

Briefly describe the composition of telomerase.

Biology
Q

Buckling is a problem for sheet metal used on aircraft skins and wings. Traditionally the skin...

Mechanical Engineering
Q

The demand for electric power is usually much higher during the day than it is at...

Mechanical Engineering
Q

An accounting clerk prepares his trial balance as of June 30, 20-and determines that total debits...

Accounting
Q

A galvanometer of resistance 3 9952with a scale divided into 150 equal divisions has current...

Physics
Q

Two planes are circling an airport awaiting their landing clearance If the following measures in...

Basic Math
Q

Describe the function f(x) = 5(1/3)^x.O It is an exponential decay function with a base...

Basic Math
Q

Consider two well-diversified portfolios X and Y. Portfolio X has an expected return of 14%...

Accounting
Q

Celia and Christian, who are married filing jointly, have one dependent. They have alternative minimum...

Accounting
Q

Express Company paid one weeks wages of $21,200 in cash (net pay after all withholdings...

Accounting
Q

Suppose a share of stock sells for $72. The risk-free rate is 6 percent, and...

Finance
Q

Provision for bad debts must be reduced by R3000. in this case Provision for bad...

Accounting