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    Back Titration

    Synopsis The objective of this experiment is to determine the percentage by mass of calcium carbonate,CaCO3 in toothpaste using back titration technique. A known weight portion of toothpaste is obtained to react with known volume and concentration of standard acid solution. After completing the reaction, the resulting solution containing excess acid is back titrated with […] More

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    Titration Curve

    1.What are the significant regions in the titration curve? Relate the characteristics of each region to the pH results obtained. -There are four significant regions in each titration curve, namely the initial, pre-equivalence, equivalence, and post-equivalence points. These points are named according to its position relative to the equivalence point. The equivalence point signifies the […] More