Essays on gravimetric determination of chloride lab report

Apparently, determination of chloride in the unknown sample was made easy by the aforementioned conditions of gravimetric analysis.... Subsequent sections of this report contain detailed procedures used in determining the mass percent of chloride in an unknown sample.... ubsequent sections of this report contain detailed procedures used in determining the mass percent of chloride in an unknown sample.... n determining the mass percent of chloride in the unknown sample, the following calculations were preformed....

The purpose of this report is the determination of chloride content of an unknown soluble salt while showing the techniques in gravimetric analysis.... nalysis of chloride Ion precipitation by Silver Ion addition. ... The mass percent of chloride in the unknown sample was then reported.... alculation of chloride percentage by Weight ... ince the molar ratio of AgCl to Cl- is 1 to 1, then amount of moles of AgCl is equals to number of chloride ions moles . ...

The paper "The Formula of Magnesium Oxide by Gravimetric Analysis" states that gravimetry enabled the determination of the empirical formula of magnesium oxide by finding the individual masses of oxygen and magnesium.... ravimetry enabled the determination of the empirical formula of magnesium oxide by finding the individual masses of oxygen and magnesium.... In this particular experiment, it was not very important that the percentage error was less than 5% because it involved the determination of relative proportions....

Subsequent sections of this report contain procedural steps used in synthesis and IR determination of Cs [ICl2] complex.... 02 g of Cs chloride and 1.... The obtained Cs chloride was dissolved in water inside a test tube, followed by addition of iodine into the test tube.... The Cs chloride-iodine mixture was placed and maintained inside the 90-95oC water bathv.... uring synthesis, the following observations were made;The Cs chloride-iodine mixture turned from yellow to reddish upon heating in the 90-95oC water bath....

The chemical equation (Eqn 1) below presents the synthesis of zinc iodide from its reactants in the presence of water (Sheppard, 1):Zn(s) + I2(s) → ZnI2(s) Eqn 1 The technique involved in this experiment is gravimetry, which is defined as the determination of the mass of substances involved in the reaction (“Gravimetric Analysis”, tamu.... In the experiment, surface absorption and post-precipitation may likely introduce the impurities in ZnI2, but this can be avoided by thorough washing of the precipitate and careful precipitation during reaction (“gravimetric Analysis”, tamu....

This lab report "Physical Chemistry" shows that primarily, the main purpose of this lab experiment involved quantitative determination of heavy metals in the brass alloy, specifically copper and lead metals.... Quantitative determination of Cu and Pb in Brass Alloy Partner's TA's Sample ID Introduction Primarily, the main purpose of this lab experiment involved quantitative determination of heavy metals in the brass alloy, specifically copper and lead metals....

"Lab Concerning determination of Resistance" paper determines the resistance of unknown resistance in order to determine whether they are ohmic resistors and how to use ohms law to find voltages and currents of circuit parts.... In order to determine the resistance DMM was used to measure the resistance....

The main objective of this experiment involved quantitative determination of Mn in steel using two methods; visible spectroscopy technique, and volumetric analysis.... In this case, quantitative determination of transition elements in steel is significant in industrial chemistry.... This lab exercise covered on quantitative determination of manganese Mn in an unknown sample of steel.... determination of Mn in steel took advantage of the selective oxidation process underwent by Mn ions when exposed to a strong oxidizing agent like sodium bismuthate....

The paper "Directly Observe Sodium chloride" discusses that high concentrations of the sample solutions may take more than 24hours to saturate or fully dissolve especially at room temperature.... OBSERVE SODIUM chloride, SODIUM CARBONATE, SODIUM SULPHATE AND SODIUM NITRATE AGGREGATES WALTZING THROUGH DILUTE SOLUTIONS ... he project involves the direct observe sodium chloride, sodium carbonate, sodium sulphate and sodium nitrate aggregates waltzing through dilute solutions....

n experiment 3, we conducted 5 different experiments; the Ammonia Test Strip, chloride Test Strip, 4 in 1 Test Strip, Phosphate Test Strip and Iron Test Strip.... In the chloride test experiment, we began with the beaker containing tap water.... able 3: chloride Test Results ...

The five different acidic solutions were put in five test Chemistry Lab Report 30 April PH determination of Solutions Introduction PH (potential hydrogen) may be defined as the concentration of hydrogen ions in a given solution (“PH as a Measure of Acid and Base Properties”).... The pH chart, conversely, does not allow for the determination of pH values smaller than one unit....

5 g = 60%(5 marks)Aspirin synthesis practical8] Draw a mechanism for the synthesis of aspirin from a reaction between salicylic acid and acetyl chloride.... 1] A sodium hydroxide solution is standardised by titrating 0.... 592 g of a primary standard potassium hydrogen phthalate (Mr = 204....

This paper seeks to illustrate the objectives of lab activities that were done during the semester and their application in the career that awaits ahead.... First, it is worthy to note that these lab activities are purely networking labs.... This is because they deal with various.... ... ... The main objective of these lab activities is the expose the participants to how various networking concepts have over the years been used to integrate different kinds of technologies in order to enable information exchange. ...

The paper "Food Groups and Calorie Reports" describes that an improvement in bone mass can also be obtained by engaging in activities that strengthen the muscles.... I also did a vigorous slide board exercise, which contributed to burning an estimate of 145 calories.... ... ... ... I never took foods rich in calcium, for example, fortified almond milk, according to (The Nutrition and You page 308) and vegetables that could contribute calcium to my diet, for example, broccoli....

Not everyone has the ability to taste it.... This phenomenon is inherited and follows the Mendelian law; a trait is of either dominant or recessive. ... ... he frequency of tasters has a.... ... ... This was also evident in our class.... The frequency in our group was 71 percent and is close to what is expected in any group of people....

The presence or absence of a cation was to be ruled by the color changes and observations recorded when reacted with standard solutions.... We prepared a common.... ... ... The hypotheses set in this experiment were based on the specific cation being tested and it was proven null if the color concurred with the At the end of the practical it was possible to establish the cations present in our unknown sample #19....

The paper "determination of Nitrate Ion In Treated Wastewater Effluent" discusses the possible causes of errors of the experiment of determining the concentration of nitrate in wastewater.... determination of Nitrate Ion in a Treated Wastewater Effluent Errors in experiments influences the expected results thus causes changes in values of the data obtained at the end of the study....

The main reasons why the experiment was carried was to know how to measure current using ammeter, understand how to get total resistance in parallel and series.... Also find out the relationship between voltage, current and resistance and finally know what an ohmic resistor is.... ... ... ... The resistance (R) of a circuit component is the voltage drop (V) across the component divided by the current (I) across the device (R=V/I)....

According to the equation elocity (McGill and King 12), momentum is directly proportional to the velocity of the car.... In the results of table in question [1], as the velocity increases the momentum also increases linearly. ... ... .... A fast moving car is likely to cause more.... ... ... A fast moving car has got high velocity....

The paper "Lab Report about Primula" tells us about the Primula vulgaris flower.... The report entails the structure and functions of the flower.... The Primula vulgaris flower is a flower species within the family known as Primulaceae.... ... ... ... Part 2 of the practical involved collecting class data for the two distinct morphological features....

The Fourier transform Infrared spectrometer gives an electromagnetic spectrum that is Infrared spectroscopy structural determination Infrared spectroscopy is the spectroscopy that ideally, handles the infrared zone of the electromagnetic spectrum, which usually comprises of light that has lengthy wavelengths and generally has very short frequencies.... Chapter 4: Structure determination I: UV- and Infrared Spectroscopy, Mass Spectrometry ....

Electroencephalography (Author's name) (Institutional Affiliation) Introduction The neurons found in the brain can affect every aspect of human's life including dreaming, performing mental thought, memories, and completing motor activities.... The electroencephalography is a scalp's surface recording that is generated by various bio potentials in the brain's cerebral....

Throwing of pennies is a probability process and we were to find out if it is a good model to represent the nuclei decay.... We used a box with a lid and a.... ... ... The penny was taken to have decayed when its head came up.... We investigated the half-life of the pennies and full decay time by looking at the probability about both small numbers and large numbers....

Basing on the Brown – Peterson experiment, the loss of memory was considered to result from the interference of the previously learned information by the new information.... In this, considering the decay theory of immediate memory trace, most people are likely to forget the.... ... ... In this study, a total of twenty five participants were presented with a trigram of consonants in which they were expected to view for about 20 seconds....

Saponification refers to the process of soap synthesis from fats.... Saponification takes place when triglycerides which are present in fats react with bases such as potassium or sodium hydroxide.... ... ... ... Lipids that have fatty acid esters undergo hydrolysis reaction catalyzed by strong acid or base to yield products of saponification process....

The paper "Mechanical Testing Lab Report" tells us about the tension test.... Through pulling on something one will quickly be able to find out how a material can react to different forces that are applied to the tension.... ... ... ... The Zwick Z010 Universal machine for mechanical testing was set up using the EAT104 2012....

It gives a summary of all the experimental procedures that were undertaken, the theoretical background of this concept, results and analysis, as well as the critical discussions and.... ... ... The main aim of this experiment was the aspect of measuring the angular proportions of the given prism so as to determine the refraction index under varying wavelengths, as well as the intensity Those colors emanated from the, white, Hydrogen and Mercury light sources....

For any civil engineering facility, it is important to determine soil conditions as this forms an important part of the first phase.... There are two methods for determining soil properties:.... ... ... There are several laboratory tests more often performed in order to determine different characteristics of soils....

the old formula and the new formula, is the obtainment of chloride ion as the leaving group of the new formula while the old formula resulted in a leaving group of acetate ion.... To reduce this side effect of aspirin, this agent will be replaced with acetyl chloride (C2OH3Cl) in the new formula.... However, in reaction with salicylic acid, it produces hydrogen chloride (HCl) as the by-product.... Another important ingredient used for this formula is acetyl chloride (ethanol)....

Protein Assay by the Bradford Method Quantitative determination of proteins is essential in many fields of protein study Bradford, 1976).... The determination of the unknown protein concentration was achieved through the use of two methods.... One such true and accurate method of protein concentration determination involves using the acid hydrolyzing of a portion of sample and carrying out amino acid analysis on the hydrolyzate (Bradford, 1976)....

Sequences that are used as barcodes are usually those that are unique and conserved within a species.... In DNA barcoding, usually a.... ... ... The first stage is to obtain a specimen which may be from from tissue or culture collections.... In the second stage, laboratory analysis which involves extraction of genetic material to obtain DNA batcode sequence is done....

H is a measure of the acidity or alkalinity of the solution and is measured by determination of the concentration of hydrogen ions (H+) or hydroxyl ions (OH-) present in the solution.... It has been reported that soil solutions presenting high concentrations of sodium chloride with electrical conductivity of between 6 to 10 mmho/cm can be associated with a 50% decline in rice yield and in addition high PH of alkaline soils induces zinc deficiency (Breemen and Moorman, p....

The paper 'Coca Cola Hellenic Sustainability and Ethics Management ' is an informative example of a management report.... Coca-Cola Hellenic experiences strong brand equity in the market.... It operates in 28 countries across the world.... The concerned company is listed on the London stock exchange....

The paper "determination of the Trends in Mass of a Penny" tells us about composition and weight of the coin.... determination of THE TRENDS IN MASS OF A PENNY The change in composition of pennies after the year 1982 prompts for the study of the trends in mass of a penny....

The "determination of Coefficient and Static Friction" paper contains a lab report which determines the coefficient of Static friction, investigates the coefficient of kinetic friction, and finds out if the coefficient of static and kinetic friction are normally distributed.... ... ...

time or velocity vs.... time.... In this experiment, you will use a Motion Detector to determine this information by plotting a real time graph of your motion as you move across the.... ... ... Using this round-trip time and the speed of sound, Logger Pro determines the position of the object.... It can then use the change in position to Graph Matching _________________ Per:___ ____ Lab Partners:_____________________________ One of the most effective methods of describing motion is to plot graphs of distance vs....

The Km and the Vmax of an enzyme can be determined from determination of the initial rates of the enzyme catalyzed reactions over the concentration of the substrate.... In determination of initial velocities of enzyme catalyzed reactions there are chances of experimental error therefore it is advisable to decide on the best weighting scheme by examining the variability of deviations from the plotted graph (Storer, Darlison & Cornish Bowden 1975, p.... ml of 75mM of magnesium chloride was added, and in another set, an equal amount of 4M Urea was added as inhibitors to the reaction. ...

Lead bricks for shieldingPROCEDURE:determination of operating voltage of a Geiger counter1.... The Geiger relies on the ionization effect to produce the impulse.... An incoming particle produces free charge in the sensitive volume of the.... ... ... Due to the charge creation, the free charges are swept up....

Name Professor Course Date Lab Report: Conservation of momentum Abstract The study's intention entailed to ascertain and proof principles of linear conservation of momentum.... Key apparatus used in this experiment included ballistic pendulum and plastic ball besides others that were essential in measuring as well as computing study's obtained quantities....

Luminescence quenching is the process that decreases the fluorescence intensity of a given substance.... It has been used in many applications in industries.... The kinematics of.... ... ... This paper looks into the experimental procedure, findings and discusses the findings from generation of the light using two quenchers. ...

Water is essential fot the existence of all living things, including human beings.... Therefore, it is impportant for humans to be able to get safe drinking.... ... ... However, access to safe drinking water is dependent not only on the “quality of water at source but also on contamination throughout its way to the user and practices related to purification and sanitation” (Mishra & Therefore, the relevance of conducting experiments in order to find out what substances contaminate water and how the contamination takes place, is understood....

The way it sores information, what information it stores, how it differentiates various information and how it solves problems is very remarkable.... Very simple functions of the brain involve a lot of.... ... ... I intend to do a research aimed at understanding how the human mind functions, through cognitive skills. ...

g/mol Mg Discussion The calculation of the molecular weight using the weight of magnesium and the amount of hydrogen gas released was facilitated by the used of the balanced equation describing the reaction between magnesium and HCl:Mg + 2HCl --> H2 + Mg2+ (aq) + 2Cl- (aq)This means that a mole of magnesium needs two moles of HCl to produce a mole of hydrogen gas, a mole of magnesium ion, and a mole of chloride ion.... The ChemLab was used to simulate the reaction involving Magnesium and Hydrochloric acid, which produced hydrogen gas, magnesium and chloride ions....

This lab report "Colorimetric determination of Salicylate in Urine" aims at learning the steps followed in the determination of salicylate in Urine, determining the presence of salicylate in urine and determining the concentration of salicylate in standard solutions and urine.... Colorimetric determination of Salicylate in Urine Department Colorimetric determination of Salicylate in Urine ... Learn the steps followed in determination of salicylate in Urine ...

(Name) (Professor) (Subject) (Date) Part A: Discussion In Part A, the determiner of precision is the percentage mean deviation, which is 0.... 846%.... Differences in terms of precision, no matter how small, depend on a number of factors.... However, the first human factor is that no two trials are exactly the same, as different sets of hand movements, different directions as well as different forces are used in order to deliver the liquid out of a pipette (“Sources of Error in Pipetting”)....

This lab report "Determining the Formula of Hydrate" aims to determine the percentage of barium chloride dehydrate in an unknown sample of sand.... In part A the sample is hydrated barium chloride.... In part B the sample is a mixture of sand and an amount of hydrated barium chloride.... mark) Aim mark) The aim of the experiment is to determine the percentage of barium chloride dehydrate in an unknown sample of sand. ... arium chloride dehydrate, Tongs, Crucible and cover, Clay triangle, Electronic balance, Tripod stand, Burner, unknown mixture ...

It also sought to compare the purity of bottled and tap water by determining their pH, chloride ion, phosphate ion, iron ion and ammonia concentrations using test strips.... A similar procedure was used to test the concentration of chlorine, phosphates and iron using chloride test strips phosphate test strips and iron test strips respectively.... able 3: chloride Test Results ...

The frequency and corresponding determined will permit determination of the velocity of the sound within the air. ... The frequency and corresponding determined will permit determination of the velocity of the sound within the air.... Fourier Transform essentially incorporates a time series of pressure intensity in the determination of the perfect pitched frequencies summation....

Calculate the moles of the magnesium chloride used in the back titration from your concordant results, from the equation of the titration below, the moles of Mg will be equivalent to the moles of excess EDTA. ... ... .... Given the ratio of Ca2+ + Mg 2+: EDTA = 1: 1, calculate the....

This takes four basic procedures beginning with the placement of calcium chloride solution and E.... Transfer of 630 ul cacium chloride solution to the tube containing 50ul of bacteria using a sterile pipet and mixing the solution.... The bacteria acquire the ability to take in plasmid DNA molecules when placed in a solution of the calcium chloride thereby escalating the cell competency.... Calcium chloride ... Calcium chloride ( CalCl2) aids in neutralizing the negative charge of the prevailing DNA ...