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Log into ExitTicket and complete the launch.  Complete on doc cam.

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Presentation on theme: "Log into ExitTicket and complete the launch.  Complete on doc cam."— Presentation transcript:

1 Log into ExitTicket and complete the launch

2

3  Complete on doc cam

4

5 You have a solution of the following acid: HOC 6 H 5 (aq) + H 2 O (l) H 3 O + (aq) + OC 6 H 5 - (aq) Given that the equilibrium concentrations are [HOC 6 H 5 ] = M, [H 3 O + ] = 1.5 x M, and [OC 6 H 5 - ] = 3.1 x M, calculate the value of K a. ⇌

6 Calculate the pH of a M Nitric Acid (HNO 3 ) solution HNO 3  H + + NO 3 -

7 Calculate the pH of a M Sodium Hydroxide solution NaOH  OH - + Na +

8  Using the table below, which compound would you expect to be the strongest acid? A B C D

9 CompoundKb Value A) Phosphate5.9 x B) Carbonate2.1 x C) Ammonia1.8 x D) Aniline9.5 x 10 -7

10 Calculate the K a for the ammonium ion (K b = 1.8 x )

11 Consider the following two acids and their ionization constants: HCOOHKa = 1.7 x HCNKa = 4.9 x Which conjugate base (HCOO- or CN-) is stronger?


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