9) Concentrated sulfuric acid has a density of 1.84 g/cm³ and is 95.0% (mass) H2SO4. Recall this is why you never want to touch it. (It will pull the water out of your skin, since it has such a low water content.) Calculate the molarity, molality and mole fraction of this solution. (See Chapter 17)
9) Concentrated sulfuric acid has a density of 1.84 g/cm³ and is 95.0% (mass) H2SO4. Recall this is why you never want to touch it. (It will pull the water out of your skin, since it has such a low water content.) Calculate the molarity, molality and mole fraction of this solution. (See Chapter 17)
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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9 Please!
![7) Oxalic acid is the simplest diprotic organic acid. How many milliliters of 0.800 M
KOH should be added to 3.38 g oxalic acid to give a pH of 4.40 when diluted to a total
volume of 500.0 mL?
Oxalic Acid
OH
90.035 g/mol
pKal = 1.27, pKa2 = 4.266
Formula mass =
НО
8) Given a buffer solution that is 0.250 M in formic acid (HCOOH) and 0.150 M sodium
formate (HCOONA), what will be the pH if to 50.0 mL of this solution is added 50.0 mL
of 0.0100 M HCI ?
9) Concentrated sulfuric acid has a density of 1.84 g/cm3 and is 95.0% (mass) H2SO4.
Recall this is why you never want to touch it. (It will pull the water out of your skin,
since it has such a low water content.) Calculate the molarity, molality and mole
fraction of this solution. (See Chapter 17)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8f8ae537-e2a7-43a2-a5d3-c30183895fc7%2Fd9980736-d3b8-49a8-8f7e-99efc826c620%2Fl7l62t_processed.png&w=3840&q=75)
Transcribed Image Text:7) Oxalic acid is the simplest diprotic organic acid. How many milliliters of 0.800 M
KOH should be added to 3.38 g oxalic acid to give a pH of 4.40 when diluted to a total
volume of 500.0 mL?
Oxalic Acid
OH
90.035 g/mol
pKal = 1.27, pKa2 = 4.266
Formula mass =
НО
8) Given a buffer solution that is 0.250 M in formic acid (HCOOH) and 0.150 M sodium
formate (HCOONA), what will be the pH if to 50.0 mL of this solution is added 50.0 mL
of 0.0100 M HCI ?
9) Concentrated sulfuric acid has a density of 1.84 g/cm3 and is 95.0% (mass) H2SO4.
Recall this is why you never want to touch it. (It will pull the water out of your skin,
since it has such a low water content.) Calculate the molarity, molality and mole
fraction of this solution. (See Chapter 17)
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