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Equilibrium Formative
By Rebecca Lowe
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Last updated almost 5 years ago
6 questions
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Note from the author:
This has been created as part of PD April 2021 for Bishop McDevitt High School.
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Question 2
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Question 1
1.
Which of the following mixtures would be classified as a buffer?
perchloric acid + sodium perchlorate
chlorous acid + sodium chlorite
sulfuric acid + sodium bisulfate
hydrofluoric acid + sodium fluoride
In your own words, describe the composition and purpose of a chemical buffer.
Question 3
3.
What is the pH of a 0.577M solution of Acetic Acid? The Ka for acetic acid =
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Question 4
4.
Which of the following salts would produce an acidic solution when dissolved in water?
sodium sulfate
ammonium chloride
calcium hypochlorite
benzoic iodide
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Question 5
5.
What weak acid is formed during the carbonation of water-based drinks?
hydrochloric acid
Question 6
6.
15.5 mL of 0.100M HBr is added to 250. mL of a buffer solution composed of 0.350M NaF and
0.204M HF. What is the final pH of this system after the addition of the acid?
The Ka of HBr = 7.2 x 10^(-4)
carbonic acid
hypochlorous acid
sulfurous acid