Essays on Titration

Aspirin Titration
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This essay sample on Aspirin Titration provides all necessary basic info on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay.Chemistry 12 12/Oct/2011 Titration- Analysis of Aspirin Tablets Objective: Determine the percentage of aspirin (acetylsalicylic acid) present in two different commercial tablets by titrating the solution with a base. Also determine whether the aspirin is a strong or weak acid according to the Bronsted- Lowry and Lewis theories…...
250cm3 Conical Flask
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The essay sample on 250cm3 Conical Flask dwells on its problems, providing shortened but comprehensive overview of basic facts and arguments related to it. To read the essay, scroll down.The aim of this investigative experiment is to discover the accurate concentration of sulphuric acid (H2SO4), which is found in a solution. The concentration is thought to be between 0.05 mol dm�3 and 0.15 mol dm�3. I have been given access to anhydrous potassium carbonate (K2CO3) and a range of indicators.PlanIn…...
Procedural Error Titration
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This essay sample on Procedural Error Titration provides all necessary basic info on this matter, including the most common "for and against" arguments. Below are the introduction, body and conclusion parts of this essay.The experiment practical I am going to do is all about the determination of the solubility of calcium hydroxide. This can be found by titrating the saturated solution against a solution of an acid whose concentration you know. The acid whose concentration we know is hydrochloric acid.The…...
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Kidney Stones Lab Report
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This sample essay on Kidney Stones Lab Report provides important aspects of the issue and arguments for and against as well as the needed facts. Read on this essay's introduction, body paragraphs, and conclusion.Kidney stones are also referred to as renal calculi and are formed in the kidney as a result of buildup of minerals that are being excreted from the body as waste. This buildup can be caused by superannuation which is when there is too high of a…...
Chemical ReactionChemistryExperimentKidneyMaterialsTitration
What Is Standardization In Chemistry
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The following academic paper highlights the up-to-date issues and questions of What Is Standardization In Chemistry. This sample provides just some ideas on how this topic can be analyzed and discussed. To be able to prepare standard solutions. To determine the strength of a given solution of Hydrochloric acid (HCI) To analyze errors that occur during standardization experiments. Introduction: A standard solution can be defined as a solution that contains a precisely known concentration of a substance. Concentration refers to…...
Determination Of Water Hardness
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This sample of an academic paper on Determination Of Water Hardness reveals arguments and important aspects of this topic. Read this essay's introduction, body paragraphs and the conclusion below.ABSTRACT The average concentration of CaCO3 obtained was 212 ppm, with a standard deviation of 1 ppt. The results indicate that the unk B tap water can be considered as hard water. INTRODUCTION Hard water is due to metal ions (minerals) that are dissolved in the ground water. These minerals include Ca…...
Calcium CarbonateChemistryMaterialsNaturePhTitration
Standardization Of Potassium Permanganate Lab Report Discussion
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This sample paper on Standardization Of Potassium Permanganate Lab Report Discussion offers a framework of relevant facts based on recent research in the field. Read the introductory part, body, and conclusion of the paper below.Introduction: In this experiment, it is a redox titration method to standardize a solution of potassium manganate(VII) by an iron(II) salt (ammonium iron(II) sulphate). So, the word of redox is related to the oxidation and reduction. Oxidation numbers describe the number of electrons the atom will…...
Characteristics Of Primary Standard Solution
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The following academic paper highlights the up-to-date issues and questions of Characteristics Of Primary Standard Solution. This sample provides just some ideas on how this topic can be analyzed and discussed. Primary standards, such as potassium hydrogen phthalate (KHP) (C8H5KO4), display unique characteristics such as high purity, maintain stability during storage within a long period of time whether in solid or liquid form, large molar mass as calculated to be 204 (RMM), low reactivity with the surrounding air, high stoichiometry…...
Acid Base Titration Lab Report Discussion
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This allows for quantitative analysis of the concentration of an unknown acid or base solution. It makes use of the naturalization reaction that occurs between acids and bases and the knowledge of how acids and bases will react if their formulas are known. Acid-base titration can also be used to find percent purity of chemicals. When a weak acid reacts with a weak base, the equivalence point solution will be basic if the base is stronger and acidic if the…...
Ethanedioic Acid Crystals
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The purpose of this experiment is to determine the concentration of odium hydroxide solution by titration against the primary standard, ethanedioic acid-2-water.IntroductionTitration is a method of analysis that to determine the precise endpoint of a reaction. In a titration, solution was run from a burette into a definite volume of another solution in a conical flask. 1 or 2 drops od suitable indicator (phenolphthalein) is added to indicate the end point. The end point is the stage at which two…...
Acid Base Titration Lab
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The completion of a reaction can be seen by a change in color or when the pH remains constant. The equivalence point during titration is when both solutions are present in equal amounts. The end point of the titration is when the reaction has been completed, which is usually marked by a change in color. One researchable question relating to acid/base titration would be what strengths of acids and bases react with each other during titration, and what kind of…...
Atomic Mass Of Lithium
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o Hazards of chemicals used and obtained:Method 1- 2Li(s) + 2H2O(l) � 2LiOH(aq) + H2(g)Method 2- LiOH(aq) + HCl(aq) � LiCl(aq) + 2H2O(l)In method 1 hydrogen gas is produced. This is flammable and although not a lot will be produced it would be safe to keep the product away from open flames, sparks, etc. The product of the second method, lithium hydroxide, is alkaline and an irritant. When handling it care should be taken and if it is spilt all…...
Concentration Of Sodium Carbonate
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Finding the concentration of sodium carbonate:Mass (Na2CO3 transferred to volumetric flask)= [mass (weighing bottle) + mass (Na2CO3)]-[mass(weighing bottle after emptying)]=15.24g – 12.59g=2.65gMolar mass (Na2CO3)Na=23C=12O=162Na x 1C x 3O = molar mass= (2 x 23) + 16 + (3 x 16)=106Number of mols (Na2CO3) = mass/molar mass=2.65g/106=0.025molNumber of mols (Na2CO3) = concentration x volume10000.025 mol. = conc. x 250cm31000Concentration (Na2CO3) = 0.1 Burette Reading (cm3)Final Burette Reading (cm3)Difference (cm3)1 (rough)0.0032.0032.0025.0036.2531.2531.1032.3031.2040.0031.2531.25510.0044.3034.30The first and last results are not included in the average…...
Hnd Biomedical Science
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Determination of the concentration of ethanol acid in commercial vinegar Introduction: The aim of the experiment was to determine the military of ethanol acid in table vinegar by titrating a sample with alkali sodium hydroxide (Noah) with a known concentration of 0. 1 moll-I _ The equation of the reaction between ethanol acid and sodium hydroxide is as follows: CHOOSE + Noah Cinchona * H2O When the iterations end point is determined and volumes of reactants are measured the concentration…...
Acids Bases And Buffers
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To measure the buffering capacity of two types of Isotonic drinks. Introduction: There are acid-forming. Basic forming and neutral food, however the acid or alkaline properties of a food is unable to judge by the actual acidity of the food itself. For example, citrus fruits such as lemon are acidic, but they are alkaline-forming when we consume and digest it. Therefore the food acidity or alkalinity only can determined when it is break down and digested. To maintain a healthy…...
Preparation Of Salts
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1. INSOLUBLE SALTSSoluble salt 1(aq) + soluble salt 2(aq) insoluble salt + soluble salt (aq)acid 1(aq) acid 2(aq)Pb(NO3)2(aq) + Na2SO4(g) PbSO4(s) + 2NaNO3(aq)Pb2+(aq) + SO2-4(aq) PbSO4To prepare a salt, you should firstly thoroughly mix the solution, then you should filter it to remove any precipitate. Next, you should, wash with distilled water and finally leave to dry in the oven.2. SOLUBLE SALTSa. Filtrationi. acid + base salt + waterH2SO4(aq) + CuO(s) CuSO4(aq) + H2O(l)H2SO4(aq) + Mg(OH)2(s) MgSO4(aq) + H2O(l)ii. acid…...
Concentration Of Oxalic Acid
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The redox titration will be done between potassium permanganate and ethanedioic acid. This reaction requires acid catalyst because ethanedioic acid is too weak an acid to make the solution acidic enough to react at a reasonable rate. Sulphuric acid is in the mixture and provides the acid catalyst. The ethanedioic acid in the mixture will reduce the manganate(VII) ions (MnO4-) into manganese(II) ions (Mn2+). The potassium permanganate will oxidise the oxalic acid into carbon dioxide. H2C2O4(aq) + MnO4-(aq)  CO2(g) +…...
Lab Report On Volumetric Analysis
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It must be understood that the number of moles of the reacting Noah and the number of moles of the product Nag acid, must both equal (in this case 1 11) in order for the calculation to find the molar mass to work. Procedure: Begin the procedure by first making sure all glassware has been cleaned. Next set up the burette for the titration using the same method as week 1. Similar to week 1 the titration is performed using…...
Redox Titration Lab Report
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Cry H2O This equation can be used to convert moles of the dichloride ion to moles of the unknown iron to determine the percent of iron contained in the sample, To prepare the acid mixture add 125 ml of both concentrated phosphoric acid ND sulfuric acid to 500 ml of denizens water and mix well. To prepare the potassium dichloride solution dissolve about I . 25 g of potassium dichloride in denizens avatar and dilute to 250 ml. To standardize…...
Example Of A Chemistry Lab Report About Volumetric Analysis
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At the equivalence point, all the KIP present has been neutralized by the added Noah and the solution is still colorless. However, if we add just one more drop of Noah solution from the burette, the solution will immediately turn pink because the solution is now basic. Titration of an unknown l. A measured amount of an acid of unknown concentration is added to a flask using a burette. An appropriate indicator such as phenolphthalein is added to the solution.…...
The Percentage Purity of an Unknown Acid
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A solid monobasic acid with a relative molecular mass of 163g was bought from a leading supplier. On the label the percentage purity by mass of the acid was said to be 99.1?. A student was then asked to check this value by titration against sodium hydroxide.*The student began by placing an empty bottle on a balance reading to one decimal place, zeroed the balance then added the acid to the bottle. When a suitable amount had been added, the…...
250cm3 Conical Flask Analysis
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The aim of this investigation is to find out the morality of a sulphuric acid solution between 0.5 and 1.5 mol/dm3; the means of finding out is through titration.Apparatus needed are as follows:25cm3 Pipette, burette, 250cm3 conical flask, 250cm3 beaker, stand, grip clamp, scalesFor each repeat experiment the following will be needed:50cm3 of sulphuric acid, 25cm3 of 0.1mol Sodium Carbonate solution made from distilled water and 2.65g of solid anhydrous sodium carbonate, 2-3 drops methyl orange.First weigh a small piece…...
CHM 113
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Density mass divided by volume Specific Gravity The ratio of the density of a substance to the density of water Intensive property Properties independent of mass. Examples: density, specific heat, equivalent weight Extensive property Properties dependent of mass. Example: volume and mass Volume of a cylinder V = pi(r)^2h Mass of water displaced by a rock with 143g in air and 82 g in water Mass of water displaced = Mass of rock in air - mass of rock in…...
Making a standard solution
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To find the molarity of the unknown acid, first we had to create a standard solution, the solution we created was Sodium Hydroxide (NaOH). We wanted a 0. 1 molar solution of sodium hydroxide so to get this we had to dissolve 4g of NaOH into 1000cm? of water, but we didn’t want 1000cm? we wanted 250cm? so to work out how much sodium hydroxide would be needed you need to do the same equation to the number of grams…...
Antacid effectiveness analysis
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1. To determine the neutralizing ability of antacids in different brands. 2. To compare the effectiveness of commercial antacids and their side effects. Reasons for Choice of Topic In nowadays, many HK people are suffering from upset stomach due to heavy workload, nervous tension due to the stress of daily life and poor eating habit, which is eating too much high-fat foods too quickly. They usually use antacid therapy to relieve the symptoms. From our previous knowledge, we know that…...
Chemical ReactionChemistryMaterialsTitration
To Determination the Partition Coefficient of Ethanoic Acid Between Water and Butan-2-Ol
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To determination the partition coefficient of ethanoic acid between water and butan-2-ol. Procedure 1. The room temperature was recorded. 2. 15cm3 of the given aqueous ethanoic acid and 15cm3 of butan-2-ol were poured into a 100cm3 separating funnel, using suitable apparatus. The funnel was stoppered and was shook vigorously for 1 to 2 minutes. (The pressure in the funnel was released by occasionally opening the tap. ) 3. 10cm3 of each layer was separated approximately. (The fraction near the junction…...
Calcium Carbonate and Ca2+ Ions
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Experiment. EDTA Titration of Ca2+ in an unknown solution Experiment. EDTA Titration of Ca2+ in an unknown water sample Modified 9/2012 Objective: The most common multivalent metal ions in natural waters are Ca2+ and Mg2+. In this experiment, you will find the total concentration of calcium ions that can react with EDTA with the assumptions that EDTA reacts 1:1 with metal (Ca2+) ions. Equipment 250-mL Erlenmeyer flask (3) 50-mL Buret Ring-stand and hardware Desiccator 400-mL Beaker 500-mL Vol. flask 250-mL…...
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What Is Standardization In Chemistry
...This led to obtaining of a larger volume than necessary. The fading away is due to the reaction of the phenolphthalein with atmospheric carbon dioxide. The indicator, being a weak acid, may have taken part in the reaction, hence affecting the reading...
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