Analysis of a Commercial Bleach Purpose: The purpose of this lab is to determine the amount of sodium hypochlorite (NaClO) in commercial bleach. This can be done by forming triiodide ions. To make the measurement more accurate‚ starch was added to help determine the endpoint of the solution. The significance of this lab is that industry can use these techniques to determine the amount of NaClO in the bleach of the rival industry and improve it. Hypothesis: The hypothesis is that‚ an accurate
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Survey Questionnaire KPOPPED! Understanding the Filipino Teens’ Consumption of Korean Popular Music and Videos Annyeonghaseyo Kpop fans! We are first year student in Business Administration major in Marketing Management in Polytechnic University of the Philippines. This semester‚ we are studying the popularity of Kpop music‚ videos and artists among the Filipino teens. In connection to this‚ we are asking a small favor from you dear Kpopper! Kindly answer the survey
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Chivas Real and Jack Daniels Johnnie Walker Survey Questions 1.Consumer and habits 1. Do you consume whiskey? Y/N 2. How often do you consume whiskey? a. Everyday b. 2 -3 times / week c. Once / week d. Once / month e. Once / year 3. What is your preferred form of consumption? f. Shot g. Pure h. On the rocks i. mixed beverage j. Other 5 What factors do you take in consideration when purchasing a whisky?
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“ A survey on proposed Computerized Payroll System for Lucena Art Center Corporation” Please take a few moments to complete this survey that will provide information on your choice. Please fill out the following questions. Thank you in advance for your participation. 1. When was your payroll system last reviewed? a. less than one year ago d. more than 3 years ago b. more than one year ago but less than 2 years e. Other(please specify): ___________ c. more
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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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Analysis of Commercial Bleach Lab I. Purpose In this experiment‚ the amount of sodium hypochlorite in a commercial bleach will be determined by reacting it with sodium thiosulfate in the presence of iodide ions and starch. A solution of sodium thiosulfate of known concentration will be added to the bleach using a buret in a titration procedure. The disappearance of the dark blue color of the starch-iodine complex will signal the end point. II. Procedures Pre-Lab Questions 1. What is meant
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Feasibility of Chili (Capsicum frutescens) and Kamias(Hedychium coronarium) as Mosquito Killer Background of the Study: This study is done by the researcher to give importance to the chili and kamias fruit. Not just in food‚ butthe researcher wanted to produce a mosquito killer out of them. For all we know that chili has beentested and proven to be the one good ingredient in mosquito killer making and what if it is added by theacidic property of kamias fruit? The researcher wanted to know the effect
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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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end of the year? Yes No Maybe 2. Where do you prefer the Jumble Sale to be held? UTAR PJ PE Block UTAR PJ PC Block UTAR PJ PD Block 3. Have you ever been to a Jumble Sale? Yes (proceed to Question 5) No (proceed to Question 4) 4. Kindly state a reason for your answer on question 3. 5. Choose the type of clothing that you are willing to spend on. (You may choose more than 1) Belts Sweaters Headwear Jerseys Dresses T-shirt Hoodies Tank tops Scarf Shorts
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Honors Survey of Literature 26 October 2010 Vocabulary Lesson 9 1. The gauge on the dashboard emits a red light when the gas tank is almost empty 2. If the granary fills up too early‚ the farmers will have to find another place to store grain. 3. The late night show included lampoons meant to make a funny joke. 4. Larry had no qualms about the test that he had next period‚ because he studied a lot the night before. 5. During the homily‚ Jonathan Edwards warned the congregation that they
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