Introduction The overall objective of this experiment is to determine the mass percent of NaClO‚ sodium chloride‚ in standard bleach. The purpose of part 1‚ is to standardize Sodium Thisulfate‚ Na2S2O3‚ with the primary standard Potassium Iodate‚ KIO3. The standardized Na2S2O3 will then be used in Part 2‚ to help determine the mass percentage of sodium chloride in bleach. The chemical equation used in standardizing sodium thisulfate is‚ IO3- (aq) + 5I- (aq) + 6H+(aq) ---> 3I2 + 3H2O followed by
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103-5001 14 February 2013 Analysis Essay Advertisements‚ they are all around us from the magazines and newspapers we read to televisions programs we watch. What exactly are they? They are ways for companies to catch the attention of consumers to entice us to purchase or use their products. My advertisement is an internet ad for Clorox Bleach. As I was researching different ads for this particular product something caught my eye. It seemed that every ad for Clorox bleach had a woman‚ and a reference
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I. Title: Analysis of a Commercial Bleach II. Purpose: III. Materials: Commercial bleach‚ 5% NaClO. (5 mL). Hydrochloric acid (HCl)‚ 3M. (6 mL). Potassium Iodide (KI). (6 g). Sodium thiosulfate solution (Na2S2O3)‚ 0.100 M. (70 mL). Starch solution 2%. (3 mL). Safety goggles Apron Digital scale Buret Buret clamp Erlenmeyer flask Pipet bulb Ring stand Ttransfer pipet‚ 5 mL and 25 mL Volumetric flask‚ 100 mL Stopper Wash bottle Distilled water Weigh boat Beakers‚ IV. Procedures:
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disease-causing microbes”(cdc.gov). That means that antimicrobials fight and destroy organism such as bacteria. We use antimicrobials to clean are house and protect ourselves from bacterias. One example of an antimicrobial that we use in our home is bleach. Bleach contains the ingredient hypochlorous acid. This ingredient “causes bacterial proteins to unfold and stick to one another‚ making them nonfunctional
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commercial stain removers. One bad thing about these commercialized detergents is that it contains substances which may be harmful to us and our environment. Melissa McCarty‚ ND‚ at the Bastyr Center for Natural Health outside of Seattle‚ says chlorine bleach and stain-lifting solvents produce harmful fumes‚ can irritate skin and eyes‚ and can be fatal if swallowed. She adds that researchers have linked the chemicals to cancer and reproductive disorders as well. The greatest risk‚ McCarty says‚ might be
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Sodium hypochlorite‚ also known as chlorine bleach‚ soda bleach‚ or household bleach is a chemical with the formula NaClO. A common way sodium hypochlorite gets into the San Francisco bay is through daily household cleaning products such as laundry bleach. In a survey conducted by The Clorox Company‚ it was found that four out of five households use sodium hypochlorite bleach for their laundry. Since laundry detergent companies are not required to list every ingredient‚ customers are often not aware
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Camias bleach in the market. 2. To determine how much will be the demand for Camias bleach. 3. To know the selling price of Camias bleach. 4. To know where the target market is centered. 5. To be able to know how to introduce the product to the market. 6. To discuss the effectivity of Camias bleach that will convince the buyers to buy to buy the product. Industry Analysis The industry analysis is affected by the opportunity and threat analysis‚ environmental analysis which
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involves two oxidation-reduction reactions to calculate the oxidizing capacity of a sample of unknown bleach. In order to determine the volume of Na2S2O3 added‚ students will conduct a titration of bleach with thiosulfate with addition of a starch indicator to find the end point of the titration. Moreover‚ the oxidizing capacity of bleach is calculated with the percentage by mass of NaOCl in the unknown bleach sample. The overall chemical reaction throughout the experiment will be balanced with the two oxidation-reduction
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Bleach Oxidation of 9-Hydroxyfluorene The purpose of this experiment was to oxidize an alcohol (9-hydroxyfluorene) to a ketone (9-fluorenone) using aqueous sodium hypochlorite (bleach) as the oxidizing agent‚ while introducing techniques used in microscale experiments. Reaction: Results 1. Recrystallized Product Yield Product yield = (actual yield/theoretical yield) x 100% 3mL 9-hydroxyfluorene x (1mL/1000mL) x (0.09 mol/L) = 2.7 x 10-4 moles 0.05g 9-fluorenone / (180.20g/mol) = 2.77 x 10-4
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bleaching in lives. PPT 2 Here is what we are going to talk about in the next 5 minutes. How do manufacturers bleach something into light colors? How do things in white are easily to get yellow? Why do they do so? The reason of getting yellow. The solution to the problem. Difference between sulfide bleach and chlorine bleach. PPT 3 We heard words such as “bleach for unbleachables” from TV commercials. But what exactly is bleaching? Does it mean making things turn into a lighter
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