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Yiwei Zhou
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So, does the concentration of citric acid in a lemon change over time under standard temperature and pressure? If so, why?
Does Citric acid decompose in a lemon over time?
- Thread starter iambadatscience
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- Acid citric Citric acid Time
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SUMMARY
The discussion centers on the decomposition of citric acid in lemons over time, specifically through titration against sodium hydroxide. The experiment spans 25 days, revealing that citric acid concentration decreases from 0.35 mol/L to 0.28 mol/L after 20 days. Participants highlight the importance of controlling variables such as temperature, humidity, and the presence of other organic acids during the experiment. The citric acid cycle is mentioned as a relevant biochemical process, although it does not directly affect the citric acid concentration in this context.
PREREQUISITES- Understanding of titration techniques, particularly with sodium hydroxide.
- Knowledge of the citric acid cycle and its role in biochemistry.
- Familiarity with the effects of temperature on enzyme activity and biochemical reactions.
- Basic principles of experimental design, including control of variables.
- Research enzymatic methods for measuring citric acid concentration in fruit juices.
- Explore the effects of temperature on enzyme denaturation and biochemical reactions.
- Investigate the role of atmospheric conditions on the stability of citric acid solutions.
- Learn about the impact of organic acids and other compounds in fruit juice titration results.
Students conducting experiments in biochemistry, researchers interested in fruit chemistry, and anyone studying the degradation of organic acids in food science.
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