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Chapter 2: Q9P (page 54)

Are the following body fluids acidic or basic?

  1. Bile (pH=8.4)
  2. Urine (pH=5.9)
  3. Spinal fluid (pH=7.4)

Short Answer

Expert verified
  1. Basic
  2. Acidic
  3. Basic

Step by step solution

01

Understanding the pH scale.

The PH stands for potential of hydrogen which is used to denote whether a compound is acidic or basic.

It is denoted on a scale of 1 to 14. A pH of 7 is considered to be neutral, a pH less than 7 is considered to be acidic and a pH greater than 7 is basic in nature.

02

a. Determining whether the body fluids are acidic or basic.

Bile, pH given is 8.4. As it is more than 7, bile is considered to be basic in nature.

03

b. Determining whether the body fluids are acidic or basic.

Urine, pH given is 5.9 which is less than 7, thus urine is acidic in nature.

04

c. Determining whether the body fluids are acidic or basic.

Spinal fluid, pH given is 7.4 and is more than 7, thus spinal fluid is basic.

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Most popular questions from this chapter

Which of the reactions in Problem 3 favour formation of the reactants, and which favour formation of the products?

(a) CH3N+H3+H2O

(b) HBr+CH3OH

(c) CH3NH3+HO-

(d) CH3NH2+CH3OH

(The pKavalues can be found in Sections 2.3 and 2.6.)

Question: Draw the conjugate acid for each of the following:

Draw the products of the following acid–base reactions:

a. CH3NH3++H2O

b. HBr +CH3OH

c. CH3NH3++ OH-

d.CH3NH2+ CH3OH

Question: Antacids are compounds that neutralize stomach acid. Write the equation that shows how Milk of Magnesia, Alka-Seltzer, and Tums remove excess acid.

  1. Milk of Magnesia:
  2. Alka-Seltzer: and
  3. Tums:

Consider the following reaction:

a. What is the acid on the left side of the equation?

b. What is the base on the left side of the equation?

c. What is the conjugate base of the acid on the left?

d. What is the conjugate acid of the base on the left?

e. What is the acid on the right side of the equation?

f. What is the base on the right side of the equation?

g. What is the conjugate base of the acid on the right?

h. What is the conjugate acid of the base on the right?
See all solutions

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