0 015 20.01" 12.48=PH c. A certain solution has an [H+] concentration of 10° M. What is the [OH-] concentration? Is this solution acidic or basic and, based on these molar concentrations, why? d. ApH probe finds that the pH of a 10.0 mL solution is 1.45. Calculate the [H+], the [OH-], and the pOH. Show work for the set up of the calculations. e. Suppose the solution in part d. was diluted to 100.0 mL. What is the new pH? (What do you notice about this answer? Can you do this without a calculator in the future?)

Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter8: Polyfunctional Acids And Bases
Section: Chapter Questions
Problem 4P
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Can you please help? (C, D, E)
NAME
PER
NOTE: YOU SHOULD ASSUME 25°C unless otherwise stated.
1. Answer the following (show work):
a. What is the pH of a 0.0150 M solution of HCl?
PH--109(.015)= 1.82
PH-1:82
PH= 12.18
b. Calculate the pH of a 0.0150 M solution of Ca(OH), H=1216
Ca coH)2
0 015M
Cazt + 20H"
O 015 2(0 015) =0-03M (OH)
-log lo.03) =1.62
14-162=ph
12.48=pH)
A certain solution has an [H+] concentration of 10° M. What is the [OH-] concentration? Is this solution acidic
or basic and, based on these molar concentrations, why?
с.
d. ApH probe finds that the pH of a 10.0 mL solution is 1.45. Calculate the [H+], the [OH-], and the pOH. Show
work for the set up of the calculations.
e. Suppose the solution in part d. was diluted to 100.0 mL. What is the new pH? (What do you notice about this
answer? Can you do this without a calculator in the future?)
Transcribed Image Text:NAME PER NOTE: YOU SHOULD ASSUME 25°C unless otherwise stated. 1. Answer the following (show work): a. What is the pH of a 0.0150 M solution of HCl? PH--109(.015)= 1.82 PH-1:82 PH= 12.18 b. Calculate the pH of a 0.0150 M solution of Ca(OH), H=1216 Ca coH)2 0 015M Cazt + 20H" O 015 2(0 015) =0-03M (OH) -log lo.03) =1.62 14-162=ph 12.48=pH) A certain solution has an [H+] concentration of 10° M. What is the [OH-] concentration? Is this solution acidic or basic and, based on these molar concentrations, why? с. d. ApH probe finds that the pH of a 10.0 mL solution is 1.45. Calculate the [H+], the [OH-], and the pOH. Show work for the set up of the calculations. e. Suppose the solution in part d. was diluted to 100.0 mL. What is the new pH? (What do you notice about this answer? Can you do this without a calculator in the future?)
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