drinking water samples from different places using four of the standard drinking water tests required by the EPA. The experiment will be performed by a four person group‚ with each person providing a different water sample. The four tests to be performed are: pH‚ conductivity‚ phenolphthalein and total alkalinity‚ and total and non-carbonate hardness. Data from these four tests will be gathered and analyzed‚ drawing conclusions “about the validity of the data as well as the quality of water” (Kippenhan
Premium PH Base PH indicator
Complexometric Determination Of Water Hardness By Angelica Aquino CHM 152 LL January 5‚ 2013 METHODS: 1. Prepare an approximate 0.004 M disodium EDTA solution. To prepare this solution‚ weigh about 0.7-0.8 g of Na2EDTA and dissolve in 500 mL deionized water in your plastic bottle. Make to to shake the bottle to dissolve the salt. 2. Obtain a 250-mL Erlenmeyer flask and transfer a 10 mL of CaCO3 using a buret into the flask. 3. Measure 30 mL of deionized water and add it into
Premium Titration Water Erlenmeyer flask
Canada was about determination. Julilly always had determination even in the worst of times. When Julilly was taken away from her mother she still had the determination to be free. Also when she was being beat at the Riley Plantation she still had the determination to be free in Canada. Even when Julilly found out her friend had died she still had the determination to be free. Throughout all the times where it seemed that nothing could go worse she still found the determination to escape‚ to become
Premium Family Woman Mother
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
Premium Chemistry Solution Solubility
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
Premium PH indicator Base Acid
university of ibADAN DEPARTMENT OF PETROLEUM ENGINEERING DETERMINATION OF REFRACTIVE INDEX OF CRUDE OIL TPE 527 PETROLEUM ENGINEERING LAB. 111 NUESIRI ESEOGHENE ANITA 151419 11/21/2014 LABORATORY REPORT SUBMITTED TO DR.S.O ISEHUNWA Department of Petroleum Engineering‚ Faculty of Technology‚ University of Ibadan‚ Ibadan. 20th November‚ 2014 The head of department
Premium Refractive index Petroleum
121 Experiment 19 Molar Mass Determination y Depression of the Freezing Point Introduction: The most commonly used liquid is water. In this experiment we study the equilibria that can exist between pure water and an aqueous solution‚ and ice‚ the solid form of water. The heat will transfer from a higher temperature to a lower temperature. In order for water to change states of matter‚ it takes a certain amount of kinetic energy or heat. The shift from ice to water (solid to a liquid) is called
Premium Water Freezing-point depression Concentration
Choosing the Sex of Your Baby Ashton Jackson English 101 How is it possible to choose the sex of your baby besides adoption? Has our society really dropped their morals so low? Before reading this text‚ I skimmed through‚ and seen that there were arguments pending on whether this should occur or not. I am curious as to why people would want to choose the sex of their baby. I see that as ‘cheating God’ in a way. Even if parents have a child of one sex‚ should they honestly get the choice
Premium Pregnancy Argument
Spectrophotometric Methods: The Determination of Iron The goal of this laboratory experiment was the quantitative spectrophotometric determination of Fe (II) by using a calibration plot‚ which obeyed the Beer-Lambert Law. In order to determine the Fe (II) concentration‚ a series of solutions of known concentrations were made. The solutions were analyzed by the Ocean Optics spectrophotometer in order to determine their absorbance. The concentration of the unknown Fe (II) was determined by the “eye-ball”
Premium Concentration Chemistry
“America was not built on fear. America was built on courage‚ on imagination and an unbeatable determination to do the job at hand” Harry Truman. Harry Truman was the 33rd president of this great country. This quote to me meant a lot of things‚ but what really stood out to me is courage‚ honesty‚ and determination. America has shown all of those things countless of times in the past‚ but I personally feel like those things are taking the backseat in our country today. My vision for America is bringing
Premium United States President of the United States National Football League