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This Chemistry video goes through an introduction of acid base indicators, specifically how to determine the colour of the indicator at a given pH. • This video explains step-by-step how to determine the colour of an indicator at a given pH. In addition, we go through the necessary steps to estimate the pH and [H3O+] concentration in a problems with multiple indicators. The indicators used in the video should all be provided in a data booklet or sheet. • This video includes an abundance of practice problems and examples to work through. What are you waiting for? It's time to learn! :D • ()()():)()()() • ๐ ๐๐๐๐จ๐ฑ ๐๐ง๐ ๐๐ฅ๐๐๐ญ๐ซ๐จ๐๐ก๐๐ฆ๐ข๐ฌ๐ญ๐ซ๐ฒ ๐๐ฎ๐ญ๐จ๐ซ๐ข๐๐ฅ๐ฌ: https://bit.ly/RedoxElectrochemistry • โ๏ธ ๐๐ก๐๐ฆ๐ข๐๐๐ฅ ๐๐ช๐ฎ๐ข๐ฅ๐ข๐๐ซ๐ข๐ฎ๐ฆ ๐๐ง๐ ๐๐๐ข๐-๐๐๐ฌ๐ ๐๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ ๐๐ฎ๐ญ๐จ๐ซ๐ข๐๐ฅ๐ฌ: https://bit.ly/EquilibriumAcidsBases • ๐งช ๐๐ก๐๐ฆ๐ข๐ฌ๐ญ๐ซ๐ฒ ๐๐ (๐๐ซ๐๐๐ ๐๐) ๐๐ฎ๐ญ๐จ๐ซ๐ข๐๐ฅ๐ฌ: https://bit.ly/Johnny_Chemistry30 • Follow me for updates and behind the scenes: • ๐ธ Instagram: https://bit.ly/3mPb2q7 • ()()():)()()() • Understanding acid base indicators and solving problems related to the indicators is a concept present in the Acids and Bases unit in Chemistry 20 (grade 12 level). It is also considered a review concept present in the Acid-Base Systems (Chemical Equilibrium) unit in Chemistry 30 (grade 12 level). • Acid base indicators have a certain pH range and colour change. An indicator will change colour depending on what the pH is. We can determine the colour of indicators by understanding the indicator's pH range and its colour change. In between the pH range of the two numbers, the colour will be a mix of the two colours. • Later, we will have to choose the appropriate acid base indicator based on a acid base titration curve or pH curve. So make sure you are comfortable with this! • • ()()():)()()() • Introduction - 0:00 • Determine the Colour of Bromocresol Green - 0:03 • Determine the Colour of Phenol Red - 0:57 • Determine the Colour of Methyl Violet - 1:49 • Determine the Colour of Cresol Red - 2:40 • Determine the Colour of Phenolphthalein - 3:45 • Practice Problem (1, Estimate the pH [H3O+]) - 4:25 • Practice Problem (2, Estimate the pH [H3O+]) - 7:48 • Practice Problem (3, Estimate the pH [H3O+]) - 10:23 • Remember Notes - 12:23 • Conclusion - 12:32
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