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1. pH - Wikipedia
Link: https://en.wikipedia.org/wiki/PH
Description: WEBIn chemistry, pH ( / piːˈeɪtʃ / pee-AYCH ), also referred to as acidity or basicity, historically denotes " potential of hydrogen " (or "power of hydrogen"). [1] . It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions.
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2. PH | Definition, Uses, & Facts | Britannica
Link: https://www.britannica.com/science/pH
Description: WEBMar 4, 2024 · pH, quantitative measure of the acidity or basicity of aqueous or other liquid solutions. The term, widely used in chemistry, biology, and agronomy, translates the values of the concentration of the hydrogen ion—which ordinarily ranges between about 1 and 10 −14 gram-equivalents per litre—into numbers between 0 and 14.
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3. pH Scale: Acids, bases, pH and buffers (article) | Khan Academy
Link: https://www.khanacademy.org/science/biology/water-acids-and-bases/acids-bases-and-ph/a/acids-bases-ph-and-bufffers
Description: WEBThe pH scale is often said to range from 0 to 14, and most solutions do fall within this range, although it’s possible to get a pH below 0 or above 14. Anything below 7.0 is acidic, and anything above 7.0 is alkaline, or basic.
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4. What Is pH and What Does It Measure? - ThoughtCo
Link: https://www.thoughtco.com/overview-of-ph-measurements-608886
Description: WEBMay 6, 2019 · pH describes how acidic or basic an aqueous solution is, where a pH below 7 is acidic and a pH greater than 7 is basic. pH of 7 is considered neutral (e.g., pure water). Typically, values of pH range from 0 to 14, although very strong acids may have a negative pH , while very strong bases may have a pH exceeding 14.
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5. pH Definition and Equation in Chemistry - ThoughtCo
Link: https://www.thoughtco.com/definition-of-ph-in-chemistry-604605
Description: WEBUpdated on May 06, 2019. pH is a measure of hydrogen ion concentration , a measure of the acidity or alkalinity of a solution. The pH scale usually ranges from 0 to 14. Aqueous solutions at 25°C with a pH less than 7 are acidic, while those with a pH greater than 7 are basic or alkaline.
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6. pH, pOH, and the pH scale (article) | Khan Academy
Link: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/a/ph-poh-and-the-ph-scale
Description: WEBGoogle Classroom. Definitions of pH, pOH, and the pH scale. Calculating the pH of a strong acid or base solution. The relationship between acid strength and the pH of a solution. Key points. We can convert between [ H +] and pH. using the following equations: pH = − log. [ H +] [ H +] = 10 − pH. We can convert between [ OH −] and pOH.
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7. Introduction to pH (video) | Khan Academy
Link: https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:solutions-acids-and-bases/x2613d8165d88df5e:intro-to-acids-and-bases/v/introduction-to-ph
Description: WEBAbout. Transcript. The pH scale is used to determine the acidity or basicity (alkalinity) of a substance. Acidic substances have pH values below 7, while basic substances have pH values above 7; neutral substances have a pH of 7. The pH scale is logarithmic, so each step represents a 10-fold change in concentration. Created by Sal Khan. Questions.
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8. pH and Water | U.S. Geological Survey - USGS.gov
Link: https://www.usgs.gov/special-topics/water-science-school/science/ph-and-water
Description: WEBOct 22, 2019 · pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. The pH of water is a very important measurement concerning water …
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9. pH - Simple English Wikipedia, the free encyclopedia
Link: https://simple.wikipedia.org/wiki/PH
Description: WEBpH is a scale of acidity from 0 to 14. It tells how acidic or alkaline a substance is. More acidic solutions have lower pH. More alkaline solutions have higher pH. Substances that aren't acidic or alkaline (that is, neutral solutions) usually have a pH of 7. Acids have a pH that is less than 7. Alkalis have a pH that is greater than 7.
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10. pH Definition & Meaning - Merriam-Webster
Link: https://www.merriam-webster.com/dictionary/pH
Description: WEBThe meaning of PH is a measure of acidity and alkalinity of a solution that is a number on a scale on which a value of 7 represents neutrality and lower numbers indicate increasing acidity and higher numbers increasing alkalinity and on which each unit of change represents a tenfold change in acidity or alkalinity and that is the negative ...
