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Chapter 10: Q. 10.64 (page 355)

When food enters the stomach,HCl is released and the H3O+ of the stomach fluid rises to 4脳10-2M. What is the pH of the stomach fluid?

Short Answer

Expert verified

The gastric fluid's pH text is 1.4.

Step by step solution

01

Step - 1  Given information

  • The solution's pHcan be defined as the negative logarithmic (base 10) of the H3O+ concentration.

pH=-logH3O+

pOH=-logOH-

pH+pOH=14

02

 step - 2    Explanation

  • The stomach fluid concentration is 2.0脳10-4M. Use the following formula to calculate the pHsolution:

pH=-logH3O+

=-log4.0脳10-2

=2-log(4.0)

=2-0.60

=1.4

As a result, the stomach fluid's pH text is 1.4.

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Most popular questions from this chapter

Identify the reactant that is a Br酶nsted-Lowry acid and the reactant that is a Br酶nsted-Lowry base in each of the following:

a.HI(aq)+H2O(l)鉄�I-(aq)+H3O+(aq)

b.F-(aq)+H2O(l)鈬�HF(aq)+OH-(aq)

SolutionAhas a pH of4.0, and solution B has apHof6.0. (10.6)

a. Which solution is mone acidic?

b. What is thelocalid="1653977618353" H3O+in each?

c. What is the localid="1653977632191" OH-in each?

Complete the following table-

Identify each of the following as an acid, base, or salt. and give its name: (10.1)

a.LiOH

b. CaNO42

c. HBr

d.Ba(OH)2

e. H-CO3

A patient with severe metabolic acidosis has a blood plasma pHof 6.92. What is the localid="1653994519831" H3O+of the blood plasma?
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