DETERMINATION OF COPPER BY COMPLEXATION‚ SOLVENT-EXTRACTION AND SPECTROPHOTOMETRY ABSTRACT To determine the concentration of copper in an unknown solution by using copper complexation‚ solvent extraction and spectrophotometry. Standards are used to create a calibration curve and the unknown concentration of copper is then calculated by using the linear equation from the calibration curve. The concentration of copper in the unknown solution 201 was found to be 12.57± 0.25 μg/mL. INTRODUCTION Copper
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Odysseus‚ in The Odyssey by Homer‚ and I both demonstrate determination in many different ways. The first example is when they stopped at the land of the Lotus Eaters. The men that ate the lotus wanted to stay on the land because they were addicted to the lotus‚ but Odysseus‚ the great leader‚ would never let that happen. He said‚ “I drove them‚ all three wailing‚ to the ships‚ tied them down under their rowing benches” and told the rest not to eat the Lotus or they would lose their wishes of wanting
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Wildcat’s article “The Question of Self-Determination” explains that self-determination is when one freely chooses to act or think a certain way. He then examines in great detail the question of what does self-determination really mean for Indigenous Peoples? Wildcat states that Indigenous self-determination commences with consideration for the relations around us whether they are political‚ social‚ economic or spiritual in nature. The article also explains that education is in and of itself an assimilation
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Experiment18 Aim To determination the partition coefficient of ethanoic acid between water and butan-2-ol. Procedure 1. The room temperature was recorded. 2. 15cm3 of the given aqueous ethanoic acid and 15cm3 of butan-2-ol were poured into a 100cm3 separating funnel‚ using suitable apparatus. The funnel was stoppered and was shook vigorously for 1 to 2 minutes. (The pressure in the funnel was released by occasionally opening the tap.) 3. 10cm3 of each layer was separated
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Solubility Product Determination Purpose • To determine the solubility product constant‚ Ksp‚ of an ionic compound. Introduction The solubility product constant‚ Ksp‚ is a particular type of equilibrium constant. The equilibrium is formed when an ionic solid dissolves in water to form a saturated solution. The equilibrium exists between the aqueous ions and the undissolved solid. A saturated solution contains the maximum concentration of ions of the substance that can dissolve at
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Report Purpose The purpose of this lab is to determine the identity of an unknown liquid by measuring its density and its boiling point and try to match it with those solutions given in Table 2 of experiment 2. Procedure Part A In Part A‚ The main purpose was to find the determination of the density of the unknown (j41) and by doing that we had to determine volumes of the unknown liquid (j41) using three different volumetric devices which are graduated cylinder‚ pipette and burette
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Patient self-determination is defined by the text as a law that requires healthcare organizations to inform patients of their rights as they pertain to their ability to determine the own healthcare. The Patient Self-Determination Act was drafted and enacted Congress in 1990. The law required healthcare institutions to provide information about advance healthcare directives to patients upon their admission to the healthcare facilities. The premise of the Patient Self-Determination Act was to inform
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Acid Determination of Vitamin C Tablets and Salt Solutions Chem 1290-016 03-05-2010 ------------------------------------------------- Purpose: The purpose of this lab was to use acid-base titrations to find the mass percent of ascorbic acid in a Vitamin C tablet. A known concentration of sodium hydroxide was used and the value found was compared to the stated amount of ascorbic acid listed on the vitamin container. Also in this lab the acidity of different salt solutions were tested using
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My determination is an attribute that distinguishes me from everyone else. I believe my parents and my cultural upbringing helped me develop this attribute. My father was born in Ghana‚ and my mother was born in New York to Ghanaian parents. Ghanaian parents are very strict. If you’re familiar with the book “Battle Hymn of the Tiger Mother”‚ Ghanaian parents are actually mentioned in the book. Ghanaian parents raising their children in the United States strongly encourage their children to look for
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impact on the self-determination campaigns than unattainable ideals. The most important aspect of this was the way the Indian national consciousness developed. War saw the Indian forces gain an unparalleled amount of political awareness‚ and understanding. Indian soldiers were confronted with racist perspectives‚ foreign environments‚ the power of the Empire‚ and the ability for national agency to challenge this power. This new perspective was fundamental to the self-determination movement as it saw
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