The Titration of a Basic Solution of Unknown Molarity with a Standard Hydrochloric Acid Solution Abstract The aim of the experiment was how to determine the molarity of a solution. My hypothesis was if I have to determine the molarity of a NaOH solution‚ then I would have to use a standard solution of HCl solution because I would need to neutralize each other to determine the concentration of the solution of NaOH. The method that I used for this experiment was titration. Titration helped
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INTERNSHIP REPORT ON SATISFACTION OF "CUSTOMER CARE SERVICE" OF MONOARA DIAGNOSTIC CENTRE Prepared for: Md. Musharrof Hossain Faculty Human Resource Management MBA Programme International Islamic University Chittagong‚ Dhaka Campus Submitted By: Mohammad Abidur Rahman Metric # M091622‚ Batch-31Email: arshahin1983@yahoo.com Date of submission: 08/02/2011 LETTER OF TRANSMITTAL Date: To Coordinator MBA Program International Islamic University Chittagong‚ Dhaka Campus Subject:
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Lab Report 1 Introduction: Proper chemical formulas entitle many challenges such as the Law of Multiple proportions that states that there may be more than one plausible mole ratio for the elements in that compound. However if we determine the mass of each element in the compound we will be able to get the true chemical formula. In this experiment‚ we used the law of definite proportions to find the chemical formula for a hydrated compound containing copper‚ chlorine‚ and water molecules
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aureus‚ E.faecalis and E. coli using the disk diffusion method‚ and compared to that of the clinically used antibiotics tetracycline and vancomycin‚ used as standards. Results can be seen as shown in Table 6. C5H20NNaO5S2 was particularly active to the multidrug-resistant strain S. aureus MRSA252‚ whereas the compound was moderately active against E. coli and E. faecalis. Butyl amine‚ from which
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Rebekah Worley February 21‚ 2012 Mitchell Section 4 Biol 311 Staining and Identifying Unknown Bacteria Introduction: The microbiology lab up to this point has been used to teach the students how to stain and identify bacteria. There are several types of staining through which the bacteria can be identified based on the color and shape. The staining methods used in the lab are Gram Staining‚ Capsule Staining‚ Endospore Staining‚ and Acid Fast staining. One of the most significant method of
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space explorations to discover other galaxies‚ stars‚ and possible life forms that cease to exist outside the planet. We tend to cross the boundary of what we learn from one thing‚ going to another. If I were to visualize this avenue of reality and unknown reality‚ Reality is already a familiar path we walk on yet there are roads that
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Experiment 4: Qualitative Analysis of Cations and Precipitation Reactions The overall goal of experiment four was to determine the identity of unknown cations presented to the student. But in order to know the identity of these unknowns‚ in part 1‚ Ag+‚ Pb+‚ and Hg22+ were presented to the student in aqueous solutions and then precipitated through experimentation. In part 2‚ the same procedure was enacted to determine which substances precipitated through qualitative analysis. Solubility rules
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companies/institutions.This report serves to summarize the activities and experiences gained with CMR-KEMRI for the period of three months. Objectives: –To have an opportunity to apply the principles and techniques theoretically learnt into real-life problem solving situations. –To develop an understanding of work ethics‚ employment demands‚ Responsibilities and opportunities. DECLARATION I declare that‚ this report is my original work that
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components by fractional crystallization) Data and result: Unknown number 9 Mass of unknown + beaker 69.1607 g Mass of beaker 66.6636 g Mass of unknown mixture 2.4971 g Salicylic Acid Crystallization Mass of weighing paper + Salicylic acid 1.7468 g Mass of weighing paper 0.9446 g Mass of Salicylic Acid 0.8022 g Calculation of percent salicylic Acid 32.13 % in original mixture: % salicylic acid = (m Salicylic Acid : m unknown mixture) x 100% = (0.8022 : 2.4971) x 100% = 32.13%
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Data collection Quantitative Data Raw Data Table 1: Table showing the mass of the amount of unknown acid X measured in grams (±0.001g) Table 2: Table of reading of the burette initially filled with 25mL of 0.201moldm-3 sodium hydroxide (NaOH) to titrate 25mL (±0.03mL) of unknown acid X in mL (±0.05mL) after each titre. Reading on the burette initially filled with 25mL of 0.201moldm-3 NaOH (±0.05mL) First titre 21.3 Second titre 18.2 Third titre 15.2 Fourth titre 12.0 Qualitative
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