In this process an aqueous solution is the combination of hydronium ions with hydroxide ions to form water. ... The pH of a substance is the negative logarithm of the concentration of hydrogen ions in a solution. This means that as the pH increases, the amount of hydrogen ions is decreasing and, therefore, the substance is less acidic. Since this is a logarithmic scale, each time the pH increases by one, it represents a ten-time decrease in the amount of hydrogen ions. ...

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• Grade Level: High School

Acids are substances that reacts with water to produce hydronium ion, H3O+, and bases are substances that produces hydroxide ion, OH-, in water. ... As a result two opposing reactions simultaneously occur, one that removes ions and one that forms ions. ... As more H+ ions are created in the above equilibrium equation above, the system adjusts itself to create more H+ ions. As more H+ ions are created, more HA must be broken down into H+ and A- ions, leaving less and less HA. ... However, if a base such as sodium hydroxide is added to an aqueous solution of HA at equilibrium, the following neut...

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• Grade Level: High School

Hydrogen in water reacts with minerals in the rock or there is a combination of the H+ and OH- ions in the water and the ions of the mineral. The rate of hydrolysis depends on the amount of H+ ions, which in turn depends on the composition of air and water in the soil, the activity of organisms, the presence of organic acids and the cation exchange. ... According to Schaetzl and Anderson, Carbonation is a general term for weathering processes associated with CO2 in aqueous solution. ...

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• Has Bibliography
• Grade Level: Undergraduate