Question: 4. A solution made with formic acid has a pH of 4.5. What is the ratio of conjugate base to weak acid? The Ka of

4. A solution made with formic acid has a pH of 4.5. What is the ratio of conjugate base to weak acid? The Ka of formic acid is 1.78104. You must show your work to get credit. (10 pts) 5. Make 2L of a 0.02M Tris, pH8. How many grams of salt (conjugate base) and acid are required to make this buffer? ( 15pts ) (pKa of Tris =8.3;MW of salt =121.14g/mol;MW of acid =157.60g/mol )

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

Question 1 (3 points) The ammonium ion (NH4+) is an acid, because it can release a proton to form the conjugate base ammonia (NH3). Ammonium ion (NH4+) has a pka of 9.2. If I have dissolved 0.1 mmol...

As a part of your research program on formic acid, you need to titrate a solution of formic acid with sodium hydroxide solution and want to know what to expect. Calculate the pH of (a) 0.100 m...

Ant venom contains formic acid (HCOOH; formica is the Latin word for ant). Suppose you are at a pharmaceutical company working on a quick antidote and need to estimate the pH at the stoichiometric...

I need help with this link Experiment 11. Buffer pH and Property (Work Sheet).docx Experiment 11. Buffer pH and Property (Worksheet) Student name (Print):_______________________ I. Suggestion of Use...

Is the criterion 6 3CO 2 ) 2 (aq) is found to be 9.11. However, the contribution to the pH from the autoprotolysis of water was ignored. Repeat the calculation of the pH of this solution, taking into...

Calcium acetate, Ca(CH 3 CO 2 ) 2 (aq), is used to treat patients with a kidney disease that results in high levels of phosphate ions in the blood. The calcium binds to the phosphates so that they...

You are working in the emergency room of a hospital where a patient suffering from influenza has developed metabolic alkalosis, a condition in which the pH of the blood is too high. You have...

Is the criterion 6 In Example 6D.4, the pH of 0.15 m NH 4 Cl(aq) is found to be 5.04. However, the contribution to the pH from the autoprotolysis of water was ignored. Repeat the calculation of the...

Although there are extensive tables available for the pK a of weak acids, you might be dealing with an unknown acid or a known acid at an unlisted temperature. You could then use a procedure like...

2-For water, give the equations for the ion product, Kw, and dissociation constant, Keg. and give the value for each item. 3. If a strong monoprotic mineral acid, such as HCI, is added to water to a...

The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, means that the grade, rounded to the nearest 10 points, is 80). Draw...

A 20-year U.S. Treasury bond with a par value of $1,000 is currently selling for $1,025 from various securities dealers. The bond carries a 6 percent coupon rate with payments made annually. If...

You have just received an offer in the mail from Friendly Loans. The company is offering to loan you $ 4 , 7 5 0 with low monthly payments of $ 8 2 per month. If the interest rate on the loan is an...

undefined Coding Question: For the index position in an array where the sum of elements at lower indexes is equal to the sum of elements at higher indexes. Write a function int balanced(int[] arr);...

4. Identify the six basic combinations of media and channels and highlight the unique challenges of communication on mobile devices.

3. Describe the techniques for gathering information for simple messages and identify three attributes of quality information.

An uninsured patient who incessantly visits his doctor because he always thinks he is getting sick is an example of moral hazard.