3.1 HC2H3O2 Calculations a. Exact molarity of the HC2H3O2 solution 6 b. Ka from the initial pH 6 c. Ka from the pH at halfway point 6 d. Ka from the pH at the end point 7 3.2 H3PO4 Calculations a. Exact molarity of the H3PO4 solution 7 b. Ka1 from the initial pH 7 c. Ka1 from the pH at the first halfway point 8 d. Ka2 from the pH at the first end point 8 e. Ka2 from the pH at the second halfway point 9 3.3 H2A
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Title : Preparation of a standard solution Aim To prepare a standard solution of potassium hydrogenphthalate which will later be used to standardize sodium hydroxide solution‚ NaOH. Research question How does different molarity of potassium hydrogen phthalate solution which is prepared by dilution process influence the volume of sodium hydroxide‚ NaOH used during titration process until the colourless phenolphthalein indicator solution turns pink where the volume of potassium hydrogenphthalate used
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full essay Portfolio Management – Risk and Return Copyright © 1996-2006 Investment Analytics 1 Time Value of Money Simple vs compound interest Daycount methods Discounting principles Copyright © 1996-2006 Investment Analytics Portfolio Management – Risk & Return Slide: 2 Time Value of Money Basic principle Money received today is different from money received in the future This difference in value is called the time value of money When we borrow or lend‚ this difference is
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in our class and present the change to me at least one class before the earlier of the two presentations. Please know that I will take information from the presentations for exam questions!! ___________________________________________________________________________________________________ Much of the deep knowledge that we retain comes from taking theoretical concepts and applying them to “real life” so that we may better understand them. There is a great deal of HR related news to be aware
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Standardization of NaOH and determination of Molarity of an unknown Acid Objectives 1. Preparation and standardization of a 0.1M NaOH solution 2. To learn the technique of titration 3. Determination of the concentration of an unknown diprotic acid. Introduction Titration can be traced to the origins of volumetric analysis‚ which began in the late eighteenth century. Study of analytical chemistry began in France and the first burette was made by Francois Antoine Henri Descroizilles
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9001:2008 Certified Institute (Indian Standard Organization(ISO) Certificate Number:2071-QMS-1071) Email id: hsbsolutions7@gmail.com website:www.hsbsolutions.jimdo.com Ph: 9210846949 / 9717925135 Physics: Chapter 2 Solutions Last 15 years questions with solutions Topic: Strength of Solution Q.1Discuss the effect of Temperature on Solubility of solids in Solvent. AnsThe solubility of solid in a liquid solvent generally increases with increase in temperature of the solvent. Very rarely some neutral
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Sugar 1) Research your topic and find out other names used in this ingredient. Barley malt | Cane sugar | Carob syrup | Dextrose | Fruit juice | Beet sugar | Caramel | Castor sugar | Diastatic malt | Fruit juice concentrate | Brown sugar | Corn syrup | Date sugar | Diatase | Galactose | Buttered syrup | Corn syrup solids | Demerara sugar | Ethyl maltol | Glucose | Cane juice crystals | Confectioner’s sugar | Dextran | Fructose | Glucose solids | Golden sugar | Grape sugar | Honey
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Experiment No. 3: Specific Gravity ABSTRACT : Determination of specific gravity is very essential in our study because it is commonly used in industry as a simple means of obtaining information about the concentration of solutions of various materials such as brines‚ sugar solutions and acids. There are many apparatuses that can be used to determine specific gravity depending on the material to be measured. The objectives of this experiment is to make acquainted the different instruments used to measure
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Introduction: Density is defined by its mass per unit volume‚ and is most often written in mathematical terms as; d = m / v Mass is usually given in grams‚ g‚ and volume is given in cubic centimeters‚ g/cm3‚ or‚ grams per milliliter‚ g/mL. Density is not a property that depends upon the amount of substance present. For example‚ one gram of lead and one ton of lead have the same density. Density also does depend on temperature. For instance cold water is denser than warm water;
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In the pasted years population has been growing rapidly in MEDC’s and LEDC’s‚ by looking at the crude birth rate and crude death rate we are able to see how the population grows in certain countries. Looking at how high the rates are in a LEDC country and a MEDC country‚ you are able to conclude that you can relate specific factors to different areas of the world. When looking at the population growth of a LEDC there are common factors that appear when looking at the death and birth rates. For
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