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Concept explainers
Interpretation:
The mass percent of benzoic acid when 0.3471 g a sample of a mixture of oxalic acid, and benzoic acid is treated with 100.0 mL of 0.1000 M NaOH and the excess NaOH is titrated with 20.00 mL of 0.2000 M HCl is to be calculated.
Concept introduction:
Strong acids and strong bases are the substance that dissociates completely into its ions when dissolved in the solution. They dissociate completely in water to release H+ ions and OH− ions.
Weak acids and weak bases are the substance that does not dissociate completely into its ions when dissolved in the solution. They dissociate partially in water to release H+ ions and OH− ions.
Benzoic acid (HC7H5O2), oxalic acid (H2C2O4), and hydrochloric acid (HCl) are an acid and sodium hydroxide (NaOH) is a strong base.
Sodium hydroxide (NaOH) and hydrochloric acid (HCl) both dissociate completely into their ions. Benzoic acid (HC7H5O2) and oxalic acid (H2C2O4) do not dissociate completely into their ions
The molecular equation for the acid-base reaction is:
HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(l)2NaOH(aq)+H2C2O4(aq)→Na2C2O4(aq)+2H2O(l)NaOH(aq)+HC7H5O2(aq)→NaC7H5O2(aq)+H2O(l)
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Chapter 4 Solutions
Student Solutions Manual For Silberberg Chemistry: The Molecular Nature Of Matter And Change With Advanced Topics
- For a titration of 20.00 mL of 0.0500 M H2SO4 with 0.100 M KOH, calculate the pH at each of the following volume of KOH used in the titration: 1) before the titration begin; 2) 10.00 mL; 3) 20.00 mL; 4) 30.00 mL. Ka2 = 1.20×10-2 for H2SO4.arrow_forwardCurved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s) Be sure to account for all bond-breaking and bond-making steps Problem 73 of 10 Drawing Amows ro HO Donearrow_forward12. Synthesize the following target molecules (TMs) using the specified starting materials. .CI a) HO3S SM TM b) HO- SMarrow_forward
- For a titration of 20.00 mL of 0.0500 M H2SO4 with 0.100 M KOH, calculate the pH at each of the following volume of KOH used in the titration: 1) before the titration begin; 2) 10.00 mL; 3) 20.00 mL; 4) 30.00 mL. Ka2 = 1.20×10-2 for H2SO4.arrow_forwardWrite the systematic name of each organic molecule: structure name show work. don't give Ai generated solutionarrow_forwardShow work with explanation needed. Don't give Ai generated solutionarrow_forward
- A Elschboard Part of SpeechT-D Alt Leaming App app.aktiv.com Curved arrows are used to illustrate the flow of electrons. Using the provided resonance structures, draw the curved electron- pushing arrows to show the interconversion between resonance hybrid contributors. Be sure to account for all bond-breaking and bond-making steps. Include all lone pairs and formal charges in the structures. Problem 45 of 10 I Select to Add Arrows N Please selarrow_forwardSo I'm working on molecular geometry. Can you help me with this stuff here and create three circles: one that's 120, one that’s 180, and one that’s 109.5?arrow_forwardCurved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Problem 164 of N Select to Add Arrows CHI CH 1 1 1 Parrow_forward
- using these can you help me , I guess convert them to lewis dit structures or full drawn out skeletal and I guess is that what would help me depict the bond angle.arrow_forwardShow reaction mechanism with explanation.don't give Ai generated solutionarrow_forwardPlease answer the questions and provide detailed explanations.arrow_forward
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