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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![12 What is the pH of an aqueous solution with a [H3O+] concentration = 10.5 x 10-10?
Place your answer in the box. Express your answer using only a number or numbers
without text. Report your result to the proper number of significant figures.](https://content.bartleby.com/qna-images/question/e3584727-5bec-44e4-a213-01d72f97816a/3911ccc9-26ba-4c36-94f4-2ee79044e90a/ck62ewy_thumbnail.jpeg)
Transcribed Image Text:12 What is the pH of an aqueous solution with a [H3O+] concentration = 10.5 x 10-10?
Place your answer in the box. Express your answer using only a number or numbers
without text. Report your result to the proper number of significant figures.
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- The hydronium ion concentration of an aqueous solution of 0.56 M phenol (a weak acid), C6H5OH, is [H3O+] = Submit Answer M References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining Podcasts LO 5 Previous Email Instructor Next Save andarrow_forwardGiven the following values of [H3O+], calculate a) [OH-] and b) pH for each solution. 1 x 10-11 M 1.5 x10-3Marrow_forwardI Review | Constants | Periodic Table Learning Goal: Part A To calculate pH and use it as a measure of acidity. The pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale: What is the pH of an aqueous solution with [H30+] =2x10-14 M? Express the pH numerically using one decimal place. pH = -log[H3O+] • View Available Hint(s) [H3O+] = 10-pH As pH decreases, acidity increases. As pH increases, acidity decreases. • Acidic solution: pH 7 pH = Submit Part B Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a pH of 3.120? Express your answer with the appropriate units. • View Available Hint(s) [H3O*] = Value Units Submitarrow_forward
- Determine the pH of a solution with [H3o*] = 1.73 x 10-5 M. Your answer should contain 3 decimal places as this corresponds to 3 significant figures when dealing with logs. pHarrow_forward[H3O+1] = 10-PH [OH-1] = 10-pOH [H3O+1][OH1] = 10-14 pH - log [H3O+1] = %3D pOH = - log [OH-] pH + pOH = 14 %3D %3D What will be the pH if 0.00150 moles of HCl is added to 1.00L of water ? The reaction gives the conversion factor HCI + H2O H3O+1 + CI1 start: 0.00150 equil: O A. 1.5000 В. 2.5223 C. 2.824 D. 3.125 Е. 6.502arrow_forwardWhat is the concentration of OH- in a sample of blood with a pH of 7.36? Express your answer in scientific notation with two significant figuresarrow_forward
- 1. What is the pH of ammonia if the [H3O+] of ammonia is 3.7 x 10-11 M? Use 2 decimal places for pH. 2. A patient with respiratory alkalosis has a blood plasma pH of 7.22. What is the [H3O+] of the blood plasma? Use 2 significant figures for concentration. 3. Calculate the pH of a solution with a [OH-] concentration of 3.0 x 10-5 M. Use 2 decimal places for pH.arrow_forwardCalculate the concentration of diluted HCl, if 10. mL of 0.50 M HCl is diluted to 100. mL. Calculate the concentration of diluted NaOH, if 1.0 mL of 2.0 x 10-3 M NaOH is diluted to 100. mL. Calculate the pH of a solution with an [H+] = 1.0 x 10-3 M.arrow_forwardWhich of the following statements is true? a basic solution has an H3O+ concentration greater than 1.0 x 10-7 M and a pH value lower than 7.0. a basic solution has an OH- concentration greater than 1.0 x 10-7 M and a pH value lower than 7.0. a basic solution has an H3O+ concentration greater than 1.0 x 10-7 M and a pH value greater than 7.0. a basic solution has an OH- concentration lower than 1.0 x 10-7 M and a pH value greater than 7.0. a basic solution has an H3O+ concentration lower than 1.0 x 10-7 M and a pH value greater than 7.0.arrow_forward
- a Calculate the molar concentration of the following ion. OH in a solution that contains 1×10-¹¹ M H30+. (Enter your answer to one significant figure.) [OH-] = M b Calculate the molar concentration of the following ion. H3O+ in a solution that contains 1×10-4 M OH-. (Enter your answer to one significant figure.) [H3O+] = M C Calculate the molar concentration of the following ion. OH in a solution that contains 1×10-4 M H30+. (Enter your answer to one significant figure.) [OH-] = Marrow_forward8. Complete the following table. Show all calculations in the open space, clearly labeled. Solution pH POH [H+] [OH-] Acidic, Basic, or neutral A 1.22 B 0.027M 9.63 3.9x10-6M 9. Solution A has a pH of 4.00. Solution B has a pH of 1.00. Which one is more acidic? How many times more acidic? с Darrow_forward2. A solution of HClO is mixed and found to have a pH of 4.7. Find what the initial concentration of HClO was for this solution. Ka = 3.00 × 10−8 for HClO. Answer in units of mol/L.arrow_forward
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