EXPERIMENT 4: BACK TITRATION CONTENT NO. CONTENT PAGE 1. Synopsis 3 2. Introduction 3 3. Theory 4 4. Procedure 4 5. Results and Calculations 5 – 6 6. Discussion 7 7. Conclusion 7 8. References 8 1. SYNOPSIS The purpose of this experiment is to use the back titration method to determine the percentage of calcium carbonate in toothpaste. Instead of using standard titration methods where an acid is titrated directly using a standard solution of a base‚ back titration is used because
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As parents around the country purchase new pencils and backpacks‚ they may be surprised to learn “nature” is one more thing they should put on the back-to-school supply list. According to a new report by National Wildlife Federation‚ Back to School: Back Outside‚ time spent outdoors both during school and at home helps children become high-performance learners and score higher on standard tests. Unfortunately‚ American children spend only minutes a day playing and learning outdoors which presents
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properly‚ but we eat the worst possible kind of food. We want food and we want it fast. An easy option for my generation is to go to a fast food place for example McDonalds. The people of the 70’s were much healthier and did more activity. I think sports back then was a great pass time and electronics weren’t so much of a big hit yet. Not only did they get more exercise is but they also ate better. In conclusion‚ two
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LOOKING BACK……… Surrounded by four grey walls‚ I lay here on my concrete bed and I think …….Why? Did he deserve it? Am I really the monster that I was portrayed to be? My name is Katherine Pierce. I am 25 years old and I have been sentenced to 10 years imprisonment for the murder of the man I once called …..my dad. The birth of any child into a family is a joyous occasion. And yes‚ my entry into this world was a dream come true for my parents. As a baby‚ I have fond memories of being
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some of aboriginal decortion that almost same that his found at his house and Richard asking the curator of gallery‚ MrAranda to get a information about Aboriginal ritual. When the school of the year is over‚ Richard asking his step parents to go back to Alice Springs to find his late father burial ground. So Richard go to Alice Springs with Tom and Bradley and with the the help from others people especially Urandangi‚ finally Richard found his family background. After that‚ Richard make a decision
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Based on the short story “Back to the Dreamtime”‚ I would like to write a journal about the relationships of the two main characters. Two main characters that I choose in this story are Richard and Tom. This is because there are many things that Richard and Tom doing together. Richard‚ a teenage Aboriginal boy raised in white Australian society‚ is compelled to come to terms with his past by forces outside his control. He was adopted by the McDonalds. His father died when he was two years old.
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ENG.101 OIC 03/07/2012 I want a better life in a good world for everyone Back in my earlier years as a young man twenty something‚ I viewed the world as my oyster‚ play ground‚ eating and being merry. I associated myself with a group of guys that were categorized as “pretty boys”. We ran the streets care free‚ after work of course‚ because we needed the most important tool there was to a bunch of young guys at that time‚ money‚ paper
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Back to School In a world where the all the countries compete with each other all the time‚ it’s important for every country to make sure that the future adults are well educated and capable of participating in this competition. In the speech ‘Back to School’ Barack Obama encourages the young people of America to get an education and work hard in order to continue America’s history of success. Obama’s speech is addressed to the young people of America. He speaks directly to a bunch of young
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President B. Obama’s speech “Back to School” President Barack Obama held a speech called “Back to School” delivered at Wakefield High School in Arlington‚ Virginia on September 8th 2009. Barack Obama addresses the values of hard work and taking the responsibility for paving success‚ no matter how hard the obstacles might be. The intention of the President’s speech is to persuade and motivate students all over America to stay focused‚ do their best‚ and take full advantage of their potential‚ and
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Cedar Park Christian School 2013 JSB Event Cedar Park Christian School 2013 JSB Event Back to the 50’s Saturday April 27th‚ 2013 Echo Falls Golf Course 20414 121st Ave SE Snohomish‚ WA‚ 98296 ------------------------------------------------- Saturday April 27th‚ 2013 Echo Falls Golf Course 20414 121st Ave SE Snohomish‚ WA‚ 98296 ------------------------------------------------- Ticket Prices: 25 with an ASB card 35 without an ASB card Tickets available: Ticket Prices:
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