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Q: The Kw of water: varies with pH is only applicable to neutral water remains constant regardless of the pH ranges between 1.0 and 10-14
A: In chemistry, pH is a measure of the acidity or basicity of an aqueous solution.[1] Pure water is said to be neutral, with a pH close to 7.0 at 25 ?C (77 ?F). [ [ [ [ Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline. pH measurements are important in medicine, biology, chemistry, agriculture, forestry, food science, environmental
science, oceanography, civil engineering and many other applications. You can use litmus paper or pH meter. A pH meter is an electronic instrument used for measuring the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi-solid substances). A typical pH meter consists of a special measuring probe (a glass electrode) connected to an electronic meter that measures and displays the pH reading. ] ]
axienaSUN|Points 55|
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Asked 7/9/2013 12:13:12 PM
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