Determination of the Concentration of Acetic Acid in Vinegar Lab Exercise 4 CHEM 1106 9/19/12 Purpose: Standardize a sodium hydroxide solution using a primary standard acid. Determine the molarity and the percent by mass of acetic acid in vinegar by titration with the standardized sodium hydroxide solution. Introduction: Vinegar is a dilute solution containing acetic acid. Since vinegar has a low pH‚ it can be titrated with a base. Titration is a method used in order to ascertain
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Chemistry Internal Assessment Title: Determination of the percentage (%) of ethanoic acid in vinegar Date Experiment was performed: 1st April 2011 Criteria Assessed: DCP‚ CE Apparatus: 2 conical flasks 1 250cm3 volumetric flask ±0.30cm3 Electronic Balance ±0.10g 50cm3 Burette±0.1cm3 25cm3 Pipette±0.06cm3 Materials: 0.20M HCl (±0.02moldm-3) 1.1g solid NaOH (±0.1g) A solution of vinegar of unknown concentration (density= 1.05gcm-3) Phenolphthalein Method: * A solution of NaOH was
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Vinegar is a clear liquid that is made up of acetic acid (HC2H3O2)‚ and water (H2O). This solution is common in an average household for it is used for cooking and cleaning. By definition‚ a titration is a technique where a solution of known concentration is used to determine the concentration of an unknown solution. Titrations are performed in chemistry‚ along with different manufacturing companies‚ to help determine the concentrations of acids and bases when they are unknown‚ when a neutralization
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Scientists also suspected a possible link of the formation of kidney stones with the consumption of soda. A survey of thousands of people who have previously had kidney stones was conducted. They all drank at least 150 ml of carbonated beverages. Half of the patients were asked to reduce the consumption of drinks twice. After three years of observations it appeared that a new kidney stones three times less likely to be formed among those who began to drink less Cola. For other types of drinks such
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The Diet Soda Sham A dieter’s dream- diet soda- has become very popular among those wanting to shed some pounds and be on the healthier side. Imagine gulping down a diet soda for the benefits only to realize after time that this soda is not helping aid in weight loss and it is causing dieters to feel gloomy and gross. This is only the beginning of what diet soda can do to people’s bodies‚ mental health and well being. Diet soda has been researched time and time again and yet no scientist has
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THE EFFECT OF SODA ON TOOTH ENAMEL Literature review Soda is one of society’s favorite beverages. Each year‚ billions of gallons of soda are sold in the United States alone. Though it is popular with people of all age groups‚ many experts believe drinking soda may have serious health consequences. Some studies have shown a link between drinking soda and tooth decay and enamel erosion. However some people believe that many experiments are invalid due to the lack of certain factors
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that it’s not ok for Beyoncé to sell soda at all. Soda is a very unhealthy drink that can cause very bad health problems in the long run. Many people drink soda because it taste good on their taste buds but that good feeling is affecting your body every time you drink it. So why would Beyoncé sell soda? She’s not doing it because she likes it. The only reason why she is selling soda is for her needs only. I have some reasons why it’s not ok for her to sell soda‚ and hopefully it can get you to realize
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What people don’t know is that only 4 percent of calories in the average american diet are derived directly from soda. This is why they want to put warning labels on soda. labels do nothing when people put things on their favorite things it makes people want to do them even more. This shows that it would do nothing. Sugar is in everything‚ so why put labels on just soda it is dumb. Labels do nothing! Psychological studies have shown‚ for instance‚that for cigarette smokers‚warning labels that tell
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Many men and women risk their lives every day trying to protect the freedom of every individual in the U.S. The soda ban will create an uneven playing field for thousands of small businesses and limit individual’s right to choose. Although sugary beverages can cause health problems‚ people should have a right to choose‚ even if it is unhealthy. The soda ban limits individuals from purchasing sugary drinks larger than 16 ounces‚ instead of the act being useful‚ it allows people to find ways to bypass
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According to the NYC Department of Health and Mental Hygiene‚ more than half of adults are overweight or obese and nearly one in five kindergarten students are obese. This is a great example of why the government should ban super-sized sodas. The problem of eliminating sodas over 16-ounces is that it revolves around the government’s ability to regulate what the society eat or drink. Even though some may argue that banning drinks over 16-ounces limits their freedom to choose what size they want; however
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