The Elemental Exploration Of A Salt And Salt Solution, And...

Project A: The elemental exploration of the behavior of iron in physiological conditions, the acquisition of solid copper from a salt and salt solution, and the synthesis and crystallization of aluminum. Introduction: Iron is an essential element in the human body. It can be found in the hemoglobin and transferrin of the bloodstream, and in myoglobin in muscle tissue. The main purpose of iron is to transfer oxygen within the body. To gain iron, humans must consume a diet that consist abundantly of iron such as leaf vegetables, fish, beans, etc. Absorption of iron is especially important because less than 15% of iron in daily diets are absorbed and used (Jacobs 1971). The formation of iron (II) occurs in the stomach because of its low†¦show more content†¦Because synthesis requires multiple steps to make a desired reaction, the yield is lower than other synthesis. On the first day, if the substances have a significant amount of precipitate, then the substance will require a greater number of drops of sodium hydroxide than substances with an insignificant amount of substrate. On the second day, if the starting reactants affect the yield of the product then obtaining solid copp er from a salt will result in a greater yield. If aluminum foil is the limiting reactant of the experiment, then the percent yield will increase as the amount of foil increases. Materials/Methods: Project A, Day 1 In Part 1, 50 milliliters of 5% sodium hydroxide solution was obtained and observed in a 100 mL beaker and 30 milliliters of pH 2 dissolved iron solution was also obtained and observed in a 50 mL beaker. To observe the behavior of dissolved iron with sodium hydroxide, 5 milliliters of pH 2 dissolved iron was transferred to a large test tube. Drops of 5% solution of sodium hydroxide were slowly added and monitored for physical changes. A glass stir rod was used to transfer a small amount of solution onto pH paper in between drops of 5% solution of sodium hydroxide until the solution had a pH of 8. In Part II, 5 milliliters of dissolved iron was placed in a large test tube. To test the effect of different additive substances on dissolved iron, .2 grams of methionine was added to