Question: Consider the following information about four different acid solutions: Solution Acid Concentration pH A hydrobromic acid, HBr 1.0 mol/L 0.0 B hydrobromic acid, HBr 0.010

Consider the following information about four different acid solutions: Solution Acid Concentration

pH A hydrobromic acid, HBr 1.0 mol/L 0.0 B hydrobromic acid, HBr 0.010 mol/L 2.0 C nitrous acid, HNO2 1.0 mol/L 1.7 D nitrous acid, HNO2 0.010 mol/L 2.7

a. Which solution is the least acidic?

b. Which acid is a weak acid? What evidence from the table supports your answer?

c. Use your understanding of the Arrhenius theory to explain why solutions of hydrochloric acid and acetic acid with the same concentration do not have the same pH.

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