Boxes 1-4 X: pH = 4.850 (this is the pH ofyour buffer)Y: 0.250 M(this is the total concentration, the sum ofthe concentrations of both conjugates)IMPORTANT: For all of your answers, enter:• Numbers only (no units)A leading zero before the decimal (only necessary ifthere are not any non-zero digits). 3 digits after the decimal (to the 1/1000 column,don't worry about significant figures)• Round only the last digit of you answer (beuse un-rounded numbers in all your calculations!)toExamples: 0.123 , 98.765Can you believe I just said no units and sig figs? These sure.are strange days!Your answers:What is the concentration of the conjugate acid in yourbuffer?M conj. acidWhat is the concentration of the conjugate base in your - Round only the last digit of you answer (be sure touse un-rounded numbers in all your calculations!)Examples: 0.123 , 98.765Can you believe I just said no units and sig figs? These sureare strange days!Your answers:What is the concentration of the conjugate acid in yourbuffer?M conj. acidWhat is the concentration of the conjugate base in yourbuffer?M conj. baseWhat is the volume of the aqueous solution required tomake 100.0 mL of the buffer?mL1.00 M solutionWhat is the mass of the solid salt required to make 100.0mL of the buffer?g salt

Answered: Boxes 1-4

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Boxes 1-4

X: pH = 4.850 (this is the pH of
your buffer)
Y: 0.250 M
(this is the total concentration, the sum of
the concentrations of both conjugates)
IMPORTANT: For all of your answers, enter:
• Numbers only (no units)
A leading zero before the decimal (only necessary if
there are not any non-zero digits)
. 3 digits after the decimal (to the 1/1000 column,
don't worry about significant figures)
• Round only the last digit of you answer (be
use un-rounded numbers in all your calculations!)
to
Examples: 0.123 , 98.765
Can you believe I just said no units and sig figs? These sure.
are strange days!
Your answers:
What is the concentration of the conjugate acid in your
buffer?
M conj. acid
What is the concentration of the conjugate base in your

- Round only the last digit of you answer (be sure to
use un-rounded numbers in all your calculations!)
Examples: 0.123 , 98.765
Can you believe I just said no units and sig figs? These sure
are strange days!
Your answers:
What is the concentration of the conjugate acid in your
buffer?
M conj. acid
What is the concentration of the conjugate base in your
buffer?
M conj. base
What is the volume of the aqueous solution required to
make 100.0 mL of the buffer?
mL
1.00 M solution
What is the mass of the solid salt required to make 100.0
mL of the buffer?
g salt

Expert Solution

Step 1-Introduction

An acidic substance furnishes hydrogen ions in an aqueous solution and changed to its conjugate base. The magnitude of the hydrogen ion concentration is furnished by the formula $p H = - \log_{10} [H^{+}]$ .

The concentration of the hydroxide ions in an aqueous solution is increased by the presence of a base. The numerical value of the hydroxide ion concentration is furnished by the formula $p O H = - \log_{10} [O H^{-}]$ .

The buffer solution shows resistance to the sudden increase in the concentration of hydrogen ions and hydroxide ions in an aqueous solution.

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