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of 12.5 by diluting a solution 31. Can you make 10 L of a solution with a pH concentrated solution you would need to use. If not, explain with a pH of 11.0? 11 50, calculate a solution why not. In he dissolved in 1.50 L of water to create what with a pH of 9.35? volume of and

of 12.5 by diluting a solution 31. Can you make 10 L of a solution with a pH concentrated solution you would need to use. If not, explain with a pH of 11.0? 11 50, calculate a solution why not. In he dissolved in 1.50 L of water to create what with a pH of 9.35? volume of and

Chemistry
Chemistry
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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
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Please answer question 31 only!!thanks
[LX (1 22. Five solutions were made with concentrations of approximately 0.10 mol/L of solute. The solutions were tested with a conductivity apparatus and their pH values were measured. The experimental evidence was as follows: Solution Number 1 7 pH no C₂ d. 2 7 yes 3 1 30. A 5.00 L volume of a dilute solution is made from 10.0 mL of a strong solution? yes 4 Conductivity The solutions were known to be C₁2H22O11(a)(sugar), HC1O4(aq) H3BO3(aq), CSOH(aq), and KNO3(aq)- Answer the following questions based on the preceeding information. a. Which solution had to be the sugar solution? b. What was the [H(aq)] of the HC1O4(aq)? Which solution could best neutralize Solution 4? Which solution could best be used to neutralize a base that was accidently splashed on your skin? 1.00×104 13 Yes 5 5 weak 23. What is the pH of a sulfuric acid solution, which has a concentration of 0.450 mol/L? 24. What is the pH of a calcium hydroxide solution, which has a concentration of 1.00 x 10 mol/L? 25. A barium hydroxide solution has a pH-11. What is the concentration of the original solution? 26. What volume of water was added to a nitric acid solution if you started with 50 mL of a 0.12 mol/L solution and it was diluted to 0.023 mol/L? Calculate the pH before the dilution and after the dilution. 27. A solution made by dissolving 2.45 g of perchloric acid into 2.5 L of water. What is the pH of the solution? 28. A solution made by dissolving 1.24 g of barium hydroxide into 3.00 L of water. What is the pH of the solution? 29. A 10 L volume of a dilute solution is made from 25 mL of a strong acid solution with a pH of 3.45. What is the pH of the dilute solution? 10-PH olution with a pH of 12.343. What is the pH of the dilute 31. Can you make 10 L of a solution with a pH of 12.5 by diluting a solution with a pH of 11.0? If so, calculate what volume of the concentrated solution you would need to use. If not, explain why not. 32. What mass of rubidium hydroxide, RbOH(s), needs to be dissolved in 1,50 L of water to create a solution with a pH of 9.35? 33. What mass of hydrogen chloride gas, HCl(g), needs to be dissolved in 2.00 L of water to create a solution with a pH of 3.298? 34. A solution is yellow in methyl orange and green in bromocresol green. What is the pH range possible for the solution? Explain.
Transcribed Image Text:[LX (1 22. Five solutions were made with concentrations of approximately 0.10 mol/L of solute. The solutions were tested with a conductivity apparatus and their pH values were measured. The experimental evidence was as follows: Solution Number 1 7 pH no C₂ d. 2 7 yes 3 1 30. A 5.00 L volume of a dilute solution is made from 10.0 mL of a strong solution? yes 4 Conductivity The solutions were known to be C₁2H22O11(a)(sugar), HC1O4(aq) H3BO3(aq), CSOH(aq), and KNO3(aq)- Answer the following questions based on the preceeding information. a. Which solution had to be the sugar solution? b. What was the [H(aq)] of the HC1O4(aq)? Which solution could best neutralize Solution 4? Which solution could best be used to neutralize a base that was accidently splashed on your skin? 1.00×104 13 Yes 5 5 weak 23. What is the pH of a sulfuric acid solution, which has a concentration of 0.450 mol/L? 24. What is the pH of a calcium hydroxide solution, which has a concentration of 1.00 x 10 mol/L? 25. A barium hydroxide solution has a pH-11. What is the concentration of the original solution? 26. What volume of water was added to a nitric acid solution if you started with 50 mL of a 0.12 mol/L solution and it was diluted to 0.023 mol/L? Calculate the pH before the dilution and after the dilution. 27. A solution made by dissolving 2.45 g of perchloric acid into 2.5 L of water. What is the pH of the solution? 28. A solution made by dissolving 1.24 g of barium hydroxide into 3.00 L of water. What is the pH of the solution? 29. A 10 L volume of a dilute solution is made from 25 mL of a strong acid solution with a pH of 3.45. What is the pH of the dilute solution? 10-PH olution with a pH of 12.343. What is the pH of the dilute 31. Can you make 10 L of a solution with a pH of 12.5 by diluting a solution with a pH of 11.0? If so, calculate what volume of the concentrated solution you would need to use. If not, explain why not. 32. What mass of rubidium hydroxide, RbOH(s), needs to be dissolved in 1,50 L of water to create a solution with a pH of 9.35? 33. What mass of hydrogen chloride gas, HCl(g), needs to be dissolved in 2.00 L of water to create a solution with a pH of 3.298? 34. A solution is yellow in methyl orange and green in bromocresol green. What is the pH range possible for the solution? Explain.
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