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  2. pH - Wikipedia

    en.wikipedia.org/wiki/PH

    Water itself is a weak acid and a weak base, so its dissociation must be taken into account at high pH and low solute concentration (see Amphoterism). It dissociates according to the equilibrium 2 H 2 O ⇌ H 3 O + (aq) + OH − (aq) with a dissociation constant, K w defined as = [+] []

  3. Alkalinity - Wikipedia

    en.wikipedia.org/wiki/Alkalinity

    The lower the pH, the higher the concentration of bicarbonate will be. This shows how a lower pH can lead to higher alkalinity if the amount of bicarbonate produced is greater than the amount of H + remaining after the reaction. This is the case since the amount of acid in the rainwater is low.

  4. Weak base - Wikipedia

    en.wikipedia.org/wiki/Weak_base

    Bases yield solutions in which the hydrogen ion activity is lower than it is in pure water, i.e., the solution is said to have a pH greater than 7.0 at standard conditions, potentially as high as 14 (and even greater than 14 for some bases).

  5. Freshwater acidification - Wikipedia

    en.wikipedia.org/wiki/Freshwater_acidification

    Diagram depicting the sources and cycles of acid rain precipitation. Freshwater acidification occurs when acidic inputs enter a body of fresh water through the weathering of rocks, invasion of acidifying gas (e.g. carbon dioxide), or by the reduction of acid anions, like sulfate and nitrate within a lake, pond, or reservoir. [1]

  6. Dystrophic lake - Wikipedia

    en.wikipedia.org/wiki/Dystrophic_lake

    The presence of these substances causes the water to be brown in colour and have a generally low pH of around 4.0-6.0. [2] The presence of humic substances are mainly due to certain plants in the watersheds of the lakes, such as peat mosses and conifers.

  7. Are There Any Benefits to Drinking Alkaline Water? - AOL

    www.aol.com/benefits-drinking-alkaline-water...

    Human blood is slightly basic with a pH of 7.4. Alkaline water typically has a pH of 8 or 9, meaning it’s more basic than regular tap or bottled water, which can be neutral or slightly acidic ...

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