Answer to Question #185852 in General Chemistry for sadfd

Question #185852

A solution is prepared by mixing equal volumes of 0.20M HC2H3O2 and 0.40M NaC2H3O2. Which of the following correctly describes what occurs if a small amount of HCl (aq) or NaOH (aq) is added? Explain

  • If NaOH (aq) is added, the pH will increase only slightly because the OH ions will react with HC2H3O2 molecules.
  • If HCl (aq) is added, the pH will decrease only slightly because the H+ ions will react with HC2H3O2 molecules.


  • If HCl (aq) is added, the pH will increase only slightly because the Cl, −, ions will react with C, 2, H, 3, O, 2, −, ions.
  • If NaOH (aq) is added, the pH will decrease only slightly because the OH ions will react with C2H3O2 ions.
1
Expert's answer
2021-05-03T07:58:00-0400

If a small amount of NaOH is added, the pH decreases very slightly.

If HCl is added, the H+ ions react with CH3COOH ions 1.00 mole of ammonium chloride to form an aqueous solution with a total volume of the solution.


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