The concentration of borax (Na2B4O5(OH)4) in aqueous solution can be determined through titration with HCI as titrant. The net ionic equation for the titration reaction is: B4O5(OH)42 (aq) + 2 H*(aq) + 3 H₂O <-> 4 H3BO3(aq) In an experiment, a student titrated 5.0 mL borax solution with 5.43 0.249 M HCI solution. Determine the concentration of borax in mol/L. For a strong electrolyte compound with formula X3Y2, if the concentration of cation X is 0.614 M, find the concentration of anion Y in mol/L. The molar solubility of a compound AX₂ is 3.8 x 103 M. Calculate the value of natural log of Ksp (Inksp) for AX₂.

Chemistry: Principles and Reactions
8th Edition
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Author:William L. Masterton, Cecile N. Hurley
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Chapter4: Reactions In Aqueous Solution
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The concentration of borax (Na₂B4O5(OH)4) in aqueous solution can be determined through
titration with HCI as titrant. The net ionic equation for the titration reaction is:
B4O5(OH)42 (aq) + 2 H*(aq) + 3 H₂O <-> 4 H3BO3(aq)
In an experiment, a student titrated 5.0 mL borax solution with 5.43 0.249 M HCI solution.
Determine the concentration of borax in mol/L.
For a strong electrolyte compound with formula X3Y2, if the concentration of cation X is 0.614 M,
find the concentration of anion Y in mol/L.
The molar solubility of a compound AX₂ is 3.8 x 103 M. Calculate the value of natural log of Ksp
(Inksp) for AX₂.
The enthalpy change (AH) and entropy change (AS) of a process can be obtained by plotting
In(Kea) versus 1/Temperature (temperature in Kelvin). A student did the graph and obtained the
slope as 7,712 and y-intercept as 6.41, respectively. Determine the enthalpy change of the reaction
in kilojoule/mol
Question 7
The enthalpy change (AH) and entropy change (AS) of a process can be obtained by plotting
In(Keq) versus 1/Temperature (temperature in Kelvin). A student did the graph and obtained the
slope as 4 and y-intercept as 6.345, respectively. Determine the entropy change of the reaction in
joule/mol K
Transcribed Image Text:The concentration of borax (Na₂B4O5(OH)4) in aqueous solution can be determined through titration with HCI as titrant. The net ionic equation for the titration reaction is: B4O5(OH)42 (aq) + 2 H*(aq) + 3 H₂O <-> 4 H3BO3(aq) In an experiment, a student titrated 5.0 mL borax solution with 5.43 0.249 M HCI solution. Determine the concentration of borax in mol/L. For a strong electrolyte compound with formula X3Y2, if the concentration of cation X is 0.614 M, find the concentration of anion Y in mol/L. The molar solubility of a compound AX₂ is 3.8 x 103 M. Calculate the value of natural log of Ksp (Inksp) for AX₂. The enthalpy change (AH) and entropy change (AS) of a process can be obtained by plotting In(Kea) versus 1/Temperature (temperature in Kelvin). A student did the graph and obtained the slope as 7,712 and y-intercept as 6.41, respectively. Determine the enthalpy change of the reaction in kilojoule/mol Question 7 The enthalpy change (AH) and entropy change (AS) of a process can be obtained by plotting In(Keq) versus 1/Temperature (temperature in Kelvin). A student did the graph and obtained the slope as 4 and y-intercept as 6.345, respectively. Determine the entropy change of the reaction in joule/mol K
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