Concept explainers
(a)
Interpretation:
Conjugate partner for
Concept Introduction:
Brønsted-Lowry acid is the one which can donate
Difference between conjugate acid-base pair is
(a)
Explanation of Solution
Given formula is
Conjugate partner of
(b)
Interpretation:
Conjugate partner for
Concept Introduction:
Refer part (a).
(b)
Explanation of Solution
Given formula is
Conjugate partner of
(c)
Interpretation:
Conjugate partner for
Concept Introduction:
Refer part (a).
(c)
Explanation of Solution
Given formula is
Conjugate partner when
When this is added to water, a proton is transferred from acid to the water resulting in formation of
Conjugate partner of
Conjugate partner when
When this is added to water, a proton is transferred from water to the base resulting in formation of
Conjugate partner of
(d)
Interpretation:
Conjugate partner for
Concept Introduction:
Refer part (a).
(d)
Explanation of Solution
Given formula is
Conjugate partner of
(e)
Interpretation:
Conjugate partner for
Concept Introduction:
Refer part (a).
(e)
Explanation of Solution
Given formula is
Conjugate partner when
When this is added to water, a proton is transferred from acid to the water resulting in formation of
Conjugate partner of
Conjugate partner when
When this is added to water, a proton is transferred from water to the base resulting in formation of
Conjugate partner of
(f)
Interpretation:
Conjugate partner for
Concept Introduction:
Refer part (a).
(f)
Explanation of Solution
Given formula is
Conjugate partner of
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Chapter 14 Solutions
Chemistry: The Molecular Science
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- Write two BrnstedLowry acid-base reactions and show how they represent proton-transfer reactions.arrow_forwardHydrogen, 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?arrow_forwardDetermine the pH of each solution and classify it as acidic,basic, or neutral.(a) pOH = 8.5(b) pOH = 4.2(c) pOH = 1.7(d) pOH = 7.0arrow_forward
- (a) A 50.0 mL solution is prepared to be 1.29 M acetylsalicylic acid. In the first step, 8.55 mL of NaOH is titrated into the solution until the pH is exactly 5.0. What is the concentration of the titrant (NaOH)? (b) In the second step, enough 5.85 M nitric acid is added to the solution after the titration in part (a) is complete until the pH is one unit lower than the pKa of acetylsalicylic acid. What volume (mL) of nitric acid was added?arrow_forwardHypochlorous acid, HOCl, is a weak acid having a pKa = 7.46. (a) Show the balanced chemical equation for the hydrolysis of water by OCl- (aq). (b) Compute the value of pKb for aqueous hypochlorite ion. (c) If [OCl-] = 0.050 M, then what is the pH of this aqueous solution? (a) (b) (c)arrow_forwardSodium hypochlorite solution is also known as bleach. It contains the hypochlorite ion ClO-. (a) Write an equation for the reaction between hypochlorite ion and ammonium ion. Label the acids and bases in the forward and reverse reactions. Identify the two conjugate acid-base pairs. (b) This equilibrium favors the reactants. Which of the acids is stronger and donates protons more readily?arrow_forward
- 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*] = Marrow_forwardA citrus tree can't get the nutrients it needs from the soil if its pH is above 6.5. (a) The hydrogen ion concentration of a soil sample is [H+] = 1.58 × 10−7 M. What is the pH of the soil? (Round your answer to one decimal place.)Is this soil suitable for citrus trees? Yes No (b) After the soil is amended, the pH is 5.6. Is the amended soil more acidic or less acidic than the original soil? more acidic less acidicarrow_forwardThe pH of a chemical solution is given by theformula pH = - log10 [H+ ] where [H+ ] is the concentration of hydrogen ions in molesper liter. Values of pH range from 0 (acidic) to 14 (alkaline).(a) What is the pH of a solution for which [H+ ] is 0.1?(b) What is the pH of a solution for which [H+ ] is 0.01?(c) What is the pH of a solution for which [H+ ] is 0.001?(d) What happens to pH as the hydrogen ion concentration decreases?(e) Determine the hydrogen ion concentration of an orange (pH = 3.5).(f) Determine the hydrogen ion concentration of human blood (pH = 7.4).arrow_forward
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