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
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million of taxable income. a. What is the company’s federal income tax bill for the year? Answer: $10.5 x 0.35 = $525‚ 000.00 b. Assume the firm receives an additional $1 million of interest from some bonds it owns. What is the tax on this interest income? Answer: $1‚000‚000.00 x 0.35 = $350‚000.00 c. Now assume that Wendt does not receive the interest income but does receive an additional $1 million as dividends on some stock it owns. What is the tax on this dividend income? Answer:
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always get someone else’s approval before taking action. Low vs. High Power Distance (PDI) shows the level of equality amongst a nation. A country with a high power distance represents a high level of in-equality citizens don’t have much of a say in what happens to their economy. Governments are likely to own the businesses in the country‚ meaning there will be no high power in a corporation. Low power distance in a country means there is a high level of equality where people have much more freedom
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INTRODUCTION Determining the sugar concentration of food samples is very important especially in industries where quality control is monitored. One method to determine the sugar concentration of reducing sugars is by heating with 3‚5 dinitrosalicylic acid(DNS) which produce a red-brown product Miller(1959)The reaction is direct‚thus the method is preferred over the Benedict’s test method. The concentration of the coloured complex can be determined with the spectrophotometer at Absorbance 540
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Statistical Investigation of Bottling Quality Complaints Based on customer complaints‚ the manager at a major bottling company is directed to investigate discrepancies regarding the amount of soda filled into the bottles. Thirty bottles are pulled off the line and each is measured for fill amount. The following data provides information regarding the mean‚ median‚ and standard deviation for ounces in the bottles‚ provides a 95% Confidence Interval and a hypothesis test verifying the customer’s claims. The
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DETERMINATION OF VITAMIN C CONTENT IN COMMERCIAL (CENOVIS) TABLET ABSTRACT In this experiment‚ the vitamin C content of a commercial tablet is determined and compared with the manufacturers’ specification. Vitamin C is water-soluble and is an enantiomer of ascorbic acid. (Commercial vitamin C is often a mixture of ascorbic acid and other ascorbates.) Ascorbic acid‚ C6H8O6‚ is a reducing agent that reacts rapidly with iodine (I2). As the iodine is added during the titration‚ the ascorbic acid is
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Quiz 1 over Chapters 1-4 Looking Out Looking In Please use the Excel spreadsheet in this conference to record your answers. Write either T for True or F for False‚ or choose the letter from the multiple-choice items that corresponds to your selected option. Chapter 1 True/False 1. Chapter One indicates that effective interpersonal communication is strongly linked to social happiness and career success. 2. The ability to speak and listen effectively can mean the difference between
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trade-off faced by society? A. who gets good and service? B. whether or not to produce. C. how to produce? D. which goods and services to produce. 2. Most microeconomic models assume that decision markers wish to A. act selfishly. B. make themselves as well off as possible C. make others as well off as possible. D. none of the above. 3. What links the decisions of consumers and firms in market? A. coordination’s officials B. government C. prices D. microeconomics 4. The price of a good or
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1. The key theme in humanistic therapy is A. emotional expression. B. self-responsibility. C. philosophical reasoning. D. self-criticism. 2. According to psychologist Martin Seligman‚ depression is largely a response to A. learned helplessness. B. manic elation. C. sexual abuse during childhood. D. chronic negative circumstances. 3. For the psychologist‚ abnormal behavior can be thought of as expressing distress of some kind that obstructs one’s ability to function. Because this is such a broad definition
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to one another” and ___________________ as “the way in which a society is organized into predictable relationships.” a. Social interaction; social structure b. Social interaction; social change c. Organization; bureaucracy d. Politics; economics 2. Which of the following is not an element of social structure? a. Language b. Statuses and roles c. Social networks d. Groups 3. According to the functionalist perspective‚ __________________ fulfill the following functions that a society must accomplish
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