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Reactions of acids common mistakes
Study Reactions of acids with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
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common mistakes
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Topic
Reactions of acids
Common mistakes
Misunderstanding pH Changes
Students often believe that diluting a strong acid will change its pH more significantly than diluting a weak acid.
Fix itEmphasize that while both strong and weak acids will have their pH increase upon dilution, the strong acid will still remain at a lower pH compared to the weak acid after dilution.
Misunderstanding pH and Hydrogen Ion Concentration
Students often confuse the relationship between pH values and hydrogen ion concentrations, thinking that a change in pH does not significantly affect the concentration.
Fix itEmphasize that a decrease in pH by one unit increases the hydrogen ion concentration by a factor of ten, illustrating this with examples.
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