Acid Concentration Of Orange Juice Free Essay, Term Paper and Book Report
Chemistry Practical Determination of the acid content of Orange Juice
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1) Making of the standard solution of Sodium Carbonate
The first step of the experiment was to make a standard solution of Na2CO3. First weighing out a sample of one gram into a beaker on a electronic balance. While the beaker was on top of the scale the scale was tared/zeroed effectively making the measuring of the one-gram of sodium carbonate easier as the electronic balance would depict the exact amount of Sodium Carbonate within the beaker. Using the chemical scoop 1.00 grams was placed in the beaker as indicated upon the electronic balance. After measured the flask was removed and the electronic balance was re-zeroed and the sample was rinsed with water before adding it to a volumetric flask after all the sodium carbonate was dissolved in the water. With 1.00 gram (±0.002 error) of Sodium Carbonate in the volumetric flask with de-mineralised water (200mL) dissolved, we were ready for the next phase of the experiment.
Calculation of the Concentration of Na2CO3
Concentration = C (in mol/L), V =......
Word Count: 1389
Page Count: 5.5 (250 words a page / double spaced)
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