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12 pages/≈3300 words
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MLA
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Biological & Biomedical Sciences
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English (U.S.)
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Chemistry: To what extend does temperature affects the concentration of calcium ions from tab water, determined by complexometric titration, using Eriochrome Black T indicator ? (Essay Sample)

Instructions:

1. (IMPORTANT)Please refer to "Internal assessment criteria checklist.pdf" to see the instruction and the criteria. Refer to "IA Breakdown.pdf" to see the detailed instruction and suggestion of the paper. This paper require a minimum grade of 22 out of 24 (90%).
2. “CHEM IA.dox” is the report that I already started, you may continue that. Data collected for the experiment and a general procedure is in "DATA.dox", you may revise the data as long as the conclusion and the logic make sense.
3. "IA EXAMPLE 1 (titration of calcium).pdf" "IA EXAMPLE 2.pdf" are two high scored example, please review them before start writing.
4. Some background information that I researched are attached: (BG1.pdf, BG2.pdf, BG3.pdf)

 

Chemistry: To what extend does temperature affects the concentration of calcium ions from tab water, determined by complexometric titration, using Eriochrome Black T indicator ?

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To what extent does température affect the concentration of calcium ions from tap water, determined by complexometric titration, using eriochrome black t indicator ?
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To what extent does température affect the concentration of calcium ions from tap water, determined by complexometric titration, using eriochrome black t indicator ?
1 Introduction
1 Personal Engagement
Water is generally referred to as a universal solvent, and it is a vital liquid that helps to support the lives of both plants and animals. Human beings rely on water for their domestic activities. The human body is mainly composed of water, which removes toxic substances in the body, normalizes body temperature, transports oxygen and nutrients into our cells, and helps to maintain homeostasis (Nordin, 2011). According to chemistry, the chemical structure of water comprises of hydrogen and oxygen. Water is classified as hard or soft water, depending on the chemical composition. Hard water is water that is dissolved in various mineral deposits like magnesium and calcium, while soft water contains only sodium ions in the original water structure. The water quality is known to affect the livelihood of people. Soft water is known to be useful when washing and drinking at home. Hard water contains calcium and magnesium minerals that make water hard. The higher the deposits of the calcium and magnesium, the harder the water. It is essential to understand the effects of hard water on the daily activities of human beings like forms scum when used in washing clothes and leaves mineral deposits on tap water, thus creating low pressure in taps.
The human body requires various chemicals for its regular activities. According to different diet guidelines, the body needs a certain amount of vitamins and minerals for its daily functionality. Therefore, various amount of vitamins and minerals should be taken daily. A good example, we should take 1200 mg of calcium, 350-400 mg Magnesium, 148 μg Iodine, 1200 mg Phosphorus, 9-10 mg Zinc (Nielsen, 2010).
Calcium is a vital mineral for the body. Inadequate intake of calcium has been associated by various abnormalities like kidney stones, hypertension, stroke, obesity, insulin resistance, and colorectal cancer (Nordin, 2011). Adequate intake of calcium in the body is associated with increased bone and teeth development.

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