Vinegar Acidity by Titration, Acid-Base Indicators and pH: Lab Report

xample of a strong base is ammonia and bleach due to the fact that they have a greater the concentration of OH- ions. NaHCO3 is an example of a weak base that is used for cooking and cleaning.
             The strength of an acid or base in a solution is measured on a scale called a pH scale. The pH scale is a measure of the hydrogen ion concentration. It spans from 0 to 14 with the middle point at a pH of 7 being neutral meaning it is neither acidic nor basic. Any pH number greater than 7 is considered a base and any pH number less than 7 is considered an acid. 0 is the strongest acid and 14 is the strongest base. Each pH unit represents a change in H+ concentration by a factor of 10.
             In this experiment various household products pH will be tested using litmus paper, pH paper, and various indicators. Litmus paper is an indicator, which can be used to determine acidic and basic solutions. It is pink under acidic conditions and blue under basic conditions. The litmus paper can determine if a solution is an acid or a base but it cannot determine the exact pH value. With the pH paper, a color chart is provided. When the pH paper in the solution, where pH should be determined, the paper will show a certain color. This color change is relevant to the pH of the solution. An acid-base indicator is a weak acid or a weak base. An Indicator does not change color from pure acid to pure alkaline at specific hydrogen ion concentration, but it does color change occurs over a range of hydrogen ion concentrations. Methyl orange and phenolphthalein are chemical indicators. Methyl orange is red in a
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Vinegar Acidity by Titration, Acid-Base Indicators and pH: Lab Report. (1969, December 31). In MegaEssays.com. Retrieved 06:20, March 28, 2024, from https://www.megaessays.com/viewpaper/203990.html