1.       

2.     
Using the above table, fill in the blank with the appropriate integer (1 ,2, 3,...) indicating the buffer and/or the letter indicating the formula below.

A. H₃C₂O₄⁺
B. HC₂O₄^–
C. C₃H₄O₃^2–
D. HC₃H₅O₃
E. C₂H₃O₂^–
F. H₂C₂H₃O₂
G. C₃H₅O₃^–

3.       

4.      In Buffer 1, the missing base component is _________________________.

1.       

2.     
Using the above table, fill in the blank with the appropriate integer (1 ,2, 3,...) indicating the buffer and/or the letter indicating the formula below.

A. H₃C₂O₄⁺
B. HC₂O₄^–
C. C₃H₄O₃^2–
D. HC₃H₅O₃
E. C₂H₃O₂^–
F. H₂C₂H₃O₂
G. C₃H₅O₃^–

3.       

4.      In Buffer 2, the missing acid component is_______________________.

5.  

6. 
   Using the above table, fill in the blank with the appropriate integer (1 ,2, 3,...) indicating the buffer and/or the letter indicating the formula below.
   
   A. H₃C₂O₄⁺
   B. HC₂O₄^–
   C. C₃H₄O₃^2–
   D. HC₃H₅O₃
   E. C₂H₃O₂^–
   F. H₂C₂H₃O₂
   G. C₃H₅O₃^–
7.  
8. Buffer ______________________ would be the most effective buffer in basic solutions.

 

 

1.       

2.     
Using the above table, fill in the blank with the appropriate integer (1 ,2, 3,...) indicating the buffer and/or the letter indicating the formula below.

A. H₃C₂O₄⁺
B. HC₂O₄^–
C. C₃H₄O₃^2–
D. HC₃H₅O₃
E. C₂H₃O₂^–
F. H₂C₂H₃O₂
G. C₃H₅O₃^–

3.       

4.      In Buffer 2,_________________________ would react with added acid.

5. Buffer ______________________is involved in preventing blood pH fluctuations due to hypo- and hyperventilation.

 

 

 

1.      Consider the following three buffer reactions.

Buffer 1: protein–H⁺ and protein
Buffer 2: H₂CO₃ and HCO₃^–
Buffer 3: H₂PO₄^– and HPO₄^2–

Fill in the blank with the appropriate integer (1, 2, or 3) to indicate the buffer system described.

 

Buffer______________________ is the most effective regulator for a pH of 7.2.

 

 

1.      Consider the following three buffer reactions.

Buffer 1: protein–H⁺ and protein
Buffer 2: H₂CO₃ and HCO₃^–
Buffer 3: H₂PO₄^– and HPO₄^2–

Fill in the blank with the appropriate integer (1, 2, or 3) to indicate the buffer system described.

 

Buffer 1 works in conjunction with buffer ____________________to regulate the pH of intracellular fluid.

 

 

Consider the following three buffer reactions.

Buffer 1: protein–H⁺ and protein
Buffer 2: H₂CO₃ and HCO₃^–
Buffer 3: H₂PO₄^– and HPO₄^2–

Fill in the blank with the appropriate integer (1, 2, or 3) to indicate the buffer system described.

 

Buffer______________________can have a variable pK_a value.

 

 

 

The buffer solution in the flask was prepared using one of the substances shown below.

citric acid (pK_a 3.08)

NaH₂PO₄ (pK_a 7.21)

NH₄Cl (pK_a 9.25)

Using the pH meter and solution shown in the image below,

 

complete the following statements using one of the terms below.

 

increase

decrease

remain constant

citric acid

NaH₂PO₄

NH₄Cl

 

The buffer solution in the beaker could be prepared using__________.

 

 

 

The buffer solution in the flask was prepared using one of the substances shown below.

citric acid (pK_a 3.08)

NaH₂PO₄ (pK_a 7.21)

NH₄Cl (pK_a 9.25)

Using the pH meter and solution shown in the image below,

 

complete the following statements using one of the terms below.

 

increase

decrease

remain constant

citric acid

NaH₂PO₄

NH₄Cl

 

If KOH were added to the buffer solution the pH of the solution would __________.

 

 

Arterial blood gases (ABGs) were drawn on your patient. The following are the some of the results: Respiratory Rate (RR) 10 breaths/min; pH 7.3; and Pressure of CO₂ 58 torr. The following questions are a basic step-by-step guide in evaluating ABGs.
a. If the normal range is 12 - 24 breaths/min , is this patient breathing within a normal range, hyperventilating, or hypoventilating?
b. Is this pH level on the acidic or basic side of the normal range?
c. Is this pressure of CO₂ level within normal range, high, or low?

d. With the above findings, what is this patient experiencing?

 

 

 

1.      Ascorbic acid (Vitamin C), H₂C₆H₆O₆, has a pK_a of 4.10. A solution is 0.10 M in ascorbic acid and 0.20 M in sodium ascorbate, NaHC₆H₆O₆. What is the approximate pH of the solution?

 

 

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Status NEW Posted 25 Aug 2017 02:08 PM My Price 8.00

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