This essay Purpose/objective has a total of 341 words and 2 pages.
• Write the procedural steps to complete this activity
• Make 4 standards of known % sugar concentration
• Use a hydrometer to determine the specific gravity of 4 sugar solution of known concentration
• Use graphical analysis to determine the relationship of the percent solute in a solution to the density of the solution
• Determine the sugar content of various beverages by measuring the specific gravity of each beverage using a hydrometer and comparing the unknown specific gravity to known standards
2.) Density- defined as mass (grams) per volume (milliliter). Hydrometer- a simple device used to measure the density of a liquid or solution.
3.) The distance from liquid level to tip of hydrometer of the diet cola was greater than regular the cola, therefore the percent sugar of regular cola was greater than diet cola.
4.) In the 0% solution, there were 0 grams of sugar and a 10.8 mm distance from liquid level to tip of hydrometer. Second, in the 5% solution, there were 5.26 grams of sugar and a 8.4 mm distance from liquid level to tip of hydrometer. Third, in the 10% solution, there were 11.1 grams of sugar and a 5.6% mm distance from liquid level to tip of hydrometer. Lastly, in the 15% solution there 17.6% grams of sugar and a 1.6 mm distance from liquid level to tip of hydrometer. The diet cola had a 10 mm distance from liquid level to tip of hydrometer and the percent sugar was 2.4%. The regular cola had a 4.4 mm distance from liquid level to tip of hydrometer and the percent sugar was 12.5%.
5.) These results addresses the purpose of this lab because it determines the percent of sugar found in cola and diet cola. Also, these results determines the specific gravity of four sugar solutions with known concentration and the relationship of the percent solute in a solution to the density of the solution.
6.) This activity could be improved if there were more sugar solutions and different drinks.
Topics Related to Purpose/objective
Brewing, Measuring instruments, Physical quantities, Hydrometer, Laboratory equipment, Laboratory glassware, Gravity, Density, Specific gravity, Solution, Sugar, Elevator paradox
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