Answered: Determine the pH and the concentration…

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter10: Acids, Bases, And Salts

Section: Chapter Questions

Problem 10.81EP

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Hydrogen, H2S, and sodium acetate, NaCH3CO2 are mixed in water. Using Table 16.2, write a balanced equation for the acid-base reaction that could in principle, occur. Does the equilibrium lie toward the products or the reactants?
Consider the following ions: NH4+, CO32, Br, S2, and ClO4. (a) Which of these ions in water gives an acidic solution and which gives a basic solution? (b) Which of these anions will have no effect on the pH of an aqueous solution? (c) Which ion is the strong base? (d) Write a chemical equation for the reaction of each basic anion with water.
12.62 Write the formula of the conjugate acid of each of the following bases, (a) OH-, (b) NHj, (c) CHjNHt, (d) HPO/-, (e) CO.,2’
The pH scale was designed to make it convenient to express hydrogen ion concentrations that are small in aqueous solutions. The definiton of pH is in terms of base 10 logarithms. pH = - log [H*] where [H"] is the hydrogen ion concentration. a If the hydrogen ion concentration in a solution is 1.97 x 10 molL, the pH is b. If the pH of a solution is 3.146, the hydrogen ion concentration is mol/L.
The acidity of a solution is measured by its pH. If Ht represents the concentration of hydrogen ions (in moles/liter) in the solution, the pH is defined by pH = – log H+ Based on careful measurements and calculations, a chemist examines two solutions and asserts: "The hydrogen ion concentration of Solution A is 158 times greater than the hydrogen ion concentration of Solution B." If the pH of solution B is 3.4, determine the pH of Solution A. Report your answer to one decimal place. Solution A has pH equal to Number (Report to the nearest 0.1)
The pHpH scale for acidity is defined by pH=−log[H+]pH=-log[H+] where [H+][H+] is the concentration of hydrogen ions measured in moles per liter (mol/L). (A) If there are 0.0079432823472428 mol/L of hydrogen ions in a certain substance, what is the pH of this substance?pH=pH= Round your answer to at least two decimal places. (B) If there are 0.003019951720402 mol/L of hydrogen ions in a different substance, what is the pH of this substance?pH=pH= Round your answer to at least two decimal places.
The pH of a solution is 2.45. What is the molar concentration of hydronium ions in the solution? The answer should be to the proper number of significant digits.
The acidity of a solution is measured by its pH. If Ht represents the concentration of hydrogen ions (in moles/liter) in the solution, the pH is defined by pH - log Ht| Based on careful measurements and calculations, a chemist examines two solutions and asserts: "The hydrogen ion concentration of Solution A is 65.86% greater than the hydrogen ion concentration of Solution B." If the pH of solution B is 10.00, determine the pH of Solution A. Report your answer to two decimal places. Solution A has pH equal to Number (Report to the nearest 0.01)
Determine the pH of a 1.2 M solution of ammonia, NH3, with K = 1.8 x 10.
The pH scale for acidity is defined by pH – log10 H*| where |H*| is the concentration of hydrogen ions measured in moles per liter (M). (A) The pH of Drano is 13.3. Calculate the concentration of hydrogen ions in moles per liter (M). [H*] = M (B) The pH of rain water is 5.5. Calculate the concentration of hydrogen ions in moles per liter (M). [H*] = M
The acidity of a solution is measured by its pH. If HT| represents the concentration of hydrogen ions (in moles/liter) in the solution, the pH is defined by pH = – log H+ Based on careful measurements and calculations, a chemist examines two solutions and asserts: "The hydrogen ion concentration of Solution A is 37.93% greater than the hydrogen ion concentration of Solution B." If the pH of solution B is 4.36, determine the pH of Solution A. Report your answer to two decimal places. Solution A has pH equal to Number - (Report to the nearest 0.01)
The pH scale for acidity is defined by pH = −log10[H+] where [H+] is the concentration of hydrogen ions measured in moles per liter (M). A solution has a pH of 11.7. Calculate the concentration of hydrogen ions in moles per liter (M).

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Determine the pH and the concentration of [OH– ] in a 0.40 M solution of ammonia? The Kb value for ammonia is 1.8 × 10–5 .