Required practical – Investigate how pH changes when a weak acid reacts with a strong base and when a strong acid reacts with a weak base.

Last updated: 02/11/2022
AQA A-Level Chemistry Required practicals Required practical – Investigate how pH changes when a weak acid reacts with a strong base and when a strong acid reacts with a weak base.
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  1. What is the aim of a titration?

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  2. At which pH value would the equivalence point roughly be for a titration between a weak acid and weak base?

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  3. What is the definition of a titration curve?

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  4. Where on a titration curve is the equivalence point?

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  5. What type of substance is an acid-base indicator?

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  6. What symbol is used to represent a weak acid, acid-base indicator?

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  7. How are end points detected?

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  8. Which of the two indicators would be suitable for a titration between a strong acid and strong base?

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  9. Which of the two indicators would be suitable for a titration between a strong acid and weak base?

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  10. Which of the two indicators would be suitable for a titration between a weak acid and strong base?

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  11. Which of the two indicators would be suitable for a titration between a weak acid and weak base?

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  12. For which pH ranges does the vertical section of a titration curve cover for a titration between a strong acid and strong base?

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  13. For which pH ranges does the vertical section of a titration curve cover for a titration between a strong acid and weak base?

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  14. For which pH ranges does the vertical section of a titration curve cover for a titration between a weak acid and strong base?

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  15. For which pH ranges does the vertical section of a titration curve cover for a titration between a weak acid and weak base?

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  16. At which pH value would the equivalence point roughly be for a titration between a strong acid and strong base?

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  17. What is the definition of the equivalence point?

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  18. At which pH value would the equivalence point roughly be for a titration between a strong acid and weak base?

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  19. What is the definition of the end point?

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  20. At which pH value would the equivalence point roughly be for a titration between a weak acid and strong base?

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