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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

From which of the following compounds can HO- remove a proton in a reaction that favors product formation?

Rank the ions (-CH3, -NH2, HO-, and F-) from most basic to least basic.

You are planning to carry out a reaction that produces protons. The reaction will be buffered at pH = 10.5. Would it be better to use a protonated methylamine/methylamine buffer or a protonated ethylamine/ethylamine buffer? (pKa of protonated methylamine = 10.7; pKaof protonated ethylamine = 11.0)

a.What is the conjugate acid of each of the following?

1. NH3 2. Cl- 3. HO- 4. H2O

b.What is the conjugate base of each of the following?

1. NH3 2. HBr 3. HNO3 4. H2O

a)Which is a stronger acid: one with a pKa of 5.2 or one with a pKa of 5.8?

b. Which is a stronger acid: one with an acid dissociation constant of 3.4 脳10-3 or one with an acid dissociation constant of 2.1脳10-4?
See all solutions

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