Concept explainers
Interpretation:
To identify the strong and weak acids, given the diagrams with the ion species
Concept introduction:
▪ Weak acids will not dissociate completely
▪ Strong acid will dissociate 100% in solution.
To determine: the weak and strong acids
Answer to Problem 11.87UTC
Solution: weak acid is A; strong acid is B
Explanation of Solution
An acid is said to be “strong” if it will form 100% dissociated ions in solution, meaning that the acid form no equilibrium. The acid will donate all of its acidic protons, and therefore, will have a higher hydronium ion concentration in solution after dissolution. The pH is likely to be lower.
An acid is said to be “weak” if it will NOT form 100% dissociated ions in solution, meaning that the acid forms equilibrium. The acid will not donate all of its acidic protons, and therefore, will form equilibrium between acidic and molecular acids. The pH is likely to be higher.
Weak acids and strong acids can be identified if the dissociation factor is given.
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Chapter 11 Solutions
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