0ml of the 0.200M FeCl3 solution was transferred into a 25ml volumetric flask using a 10ml pipette. The volumetric flask was then filled to the 25 ml mark with distilled water. The volumetric flask was shaken and 2.5 ml of the solution was placed into test tube #2 using a clean pipette. The remaining contents of the volumetric flask were transferred to a beaker. 10 ml of the solution in the beaker was transferred to a new 25 ml volumetric flask. Distilled water was added to the flask to the 25 ml
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to get the moles of solution 1. Once the moles of solution 1 have been found‚ divide that by the liters of water that were added to solution 1. The 0.10000 L comes from the 100 mL volumetric flask the solution was made in. mL of stock solution x (moles of stock solution / liter) / total liters of solution 1 (volumetric flask) = M of solution 1 5.00 mL stock solution x (0.00721 moles / 1000mL ) /
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Experimental Procedure: The materials required for this experiment were a 0.5M solution of Nitric Acid‚ 10 ppm standard of quinine sulfate‚ distilled water‚ Tonic Water‚ and 1M solution of Sulfuric Acid. The equipment required was a 500 mL volumetric flask‚ a
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constant K and the orders of each reactant. This experiment can be used as a model for determining reaction rates in a variety of solutions. Materials • 20 mL of 0.2% of soluble starch • 250-mL volumetric flask • 500-mL volumetric flask • 0.03 M H3AsO3 • 0.1 M KIO3 • 0.2 M KI Procedure Buffer A and buffer B were prepared first with the concentration of Buffer A being roughly half that of Buffer B. The preparation of Buffer A is as follows:
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Standard Iron (II) Solution 8g of hydrated iron (II) ammonium sulfate is weighed accurately using a 50mL beaker. The salt is transferred to a 250mL volumetric flask using a filter funnel‚ washed down with distilled water. The container is rinsed carefully and the rinsing is added to the volumetric flask. 100mL of water is added slowly to the volumetric flask‚ followed by 5mL of concentrated H¬2SO4. It is stoppered‚ shaken well and made up to the mark with distilled water. Standardizing Potassium
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11/10/2014 experiment 1 Analysis of Commercial Vitamin C Tablets Objective To employ titration technique to determine the content of vitamin C in commercial tablets using volumetric analysis and compare it with the manufacturers’ specifications. Introduction Deficiency of essential antioxidant Vitamin C in human will lead to scurvy. In this experiment‚ the vitamin C content of commercial tablets is determined and then compared with the manufacturers’ specifications. Vitamin C‚ ascorbic
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Beer’s Law Lab Hanna Beeter March 15‚ 2013 Honors Chemistry Introduction: In Beer’s law lab the purpose was to find the unknown concentration. The lab included the use of a volumetric flask‚ pipette‚ and spectrophotometer. The spectrophotometer played the biggest part in finding the concentration of the unknown. A spectrophotometer is an apparatus for measuring the intensity of light in a part of the spectrum‚ and is transmitted or emitted on a particular substance. After the number retrieved
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Experiment #10 Volumetric Analysis The Titration of Acids and Bases Purpose This experiment will allow you to gain practical experience in the preparing standard solutions‚ using a pipette and a buret‚ and performing standard titrations. You will use this experience to experimentally determine the concentration of acetic acid in an unknown solution. There are three parts to this experiment‚ they are 1. Preparation a standard solution of oxalic acid (~0.07 M) 2. Preparation a sodium
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Hydrogen peroxide and iodide ions Aim: To determine the rate equation for the reaction between Hydrogen peroxide and iodide ions‚ and to investigate the effects of a catalyst and temperatures on the reaction and to derive the activation enthalpy. Background knowledge: 1Hydrogen peroxide reacts with iodide ions producing iodine‚ when in an aqueous acid solution. H2O2 (aq) + 2I- (aq) + 2H3O+(aq) I2 (aq) + 2H2O(l) To detect iodine you can look at the color shown by the addition of starch
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First flight First Flight Couriers came into being on Monday‚ 17th November 1986. It all began with the setting up of three offices at Kolkata‚ Mumbai and Delhi. The overwhelming response from customers was not just a dream come true‚ but the fruits of an early realization and recognition of the tremendous potential that the Indian subcontinent offered in terms of market size. It was the foresight and dynamism of the Founder Chairman and Managing Director‚ O. P. Saboo which created a spring
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