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Equilibrium Tes...

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  • Question 1
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    The following equilibrium exists in aqueous solution

    CH3COOH  CH3COO- + H+

    If dilute HCl is added:

  • Question 2
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    Consider KA, the potassium salt of a weak acid, HA. If a sample of KA is dissolved in water, with no other substances added, which of the following statements is true (approximately)?

  • Question 3
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    Which of the following is an example of basic buffer?

  • Question 4
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     If the value of the solubility product for AgBr is 4.0 x 10-12 at 25°C, calculate the solubility of AgBr(s) in water.

  • Question 5
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    A mixture of CH3COOH and CH3COONa behaves as

  • Question 6
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    Role of NH4Cl in qualitative analysis of third group cations

  • Question 7
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    When the value of Kc is very small then

  • Question 8
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    A mixture of NH4Cl and NH4OH shows no change in pH upon addition small amount of HCl. This is because it is

  • Question 9
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     We eat a variety of foods still pH of our blood does not change every time. The reason is

  • Question 10
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     For HF, pKa = 3.45. What is the pH of an aqueous buffer solution that is 0.1M HF (aq) and 0.300 M KF (aq)?

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