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Chad provides chemistry lesson on the pH Scale for acids and bases and pH Calculations. First, the pH scale is introduced with a pH less than 7 corresponding to an acidic solution, a pH above 7 a basic solution, and a pH equal to 7 a neutral solution. The logarithmic nature of the pH scale is also described as each pH unit difference corresponds to a 10-fold difference in the H+ and OH- concentrations. The pH formula and pOH formula are then defined (pH = -log [H+]; pOH = -log[OH-]) and several examples of how to calculate of pH, pOH, [H+], and [OH-] are performed. Their relationships are demonstrated with several example calculations, and it is made evident how when provided any 1 of the 4 values, the other 3 can be calculated. I've embedded this playlist as a course on my website with all the lessons organized by chapter in a collapsible menu and much of the content from the study guide included on the page. Check this lesson out at https://www.chadsprep.com/chads-general-chemistry-videos/ph-calculations/ If you want all my study guides, quizzes, final exam reviews, and practice exams, check out my General Chemistry Master Course at https://www.chadsprep.com/genchem-youtube 00:00 Lesson Introduction 00:26 Autoionization of Water. Kw, and the pH Scale 04:48 pH Formula and pOH Formula 08:23 The pH Scale 13:41 How to Calculate pH, pOH, [H+], [OH-] https://www.chadsprep.com/ #generalchemistry #chemistrytutorial #phscale
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