I desperately need help with these specific multiple choice questions below. Tha

Question

I desperately need help with these specific multiple choice questions below. Thank you so much for your help!

Which is the best description of the behavior of a Lewis base in a chemical reaction? Which equation best illustrates the ionization of liquid ammonia? Consider the three acids: HF, HS04- and H2PO4 - Which list includes only conjugate bases of the acids given above? Which pair of equations illustrates the amphiprotic behavior of Which range includes the pH that results when 0.10 mole NaOH(s) is added to 100. mL of 1.0 M HC1 solution? Each list contains at least one species that could illustrate amphiprotic behavior EXCEPT All of the following apply to a solution prepared by adding potassium carbonate to water EXCEPT A sample containing precisely 25.0 mL of a solution of H2SO4 of unknown concentration is analyzed using a solution of NaOH of known concentration. The NaOH is titrated slowly into the H2SO4 solution from a buret. When neutralization occurs as shown by change in color of the indicator, the final value for the volume of NaOH(aq) is recorded. Which identifies the spectator ions in this reaction? As this reaction proceeds, the concentration of Na+ in the reaction mixture If, unknown to the technician, some water had been added to the unknown H2SO4 solution by mistake after its precise volume had been measured, which value in the table of observations, if any, would be changed? If there were a change, in which direction would the change occur?

Explanation / Answer

6) e

7) e

9) b

11) b

14) a

15) a

16) c

19) a

20) b

21) c

22) c

23) d

24) a

25) b

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