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    Standardizing a Sodium Hydroxide Solution

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    experiments to determine the exact concentration of a 0.1M sodium hydroxide solution by titration (Lab Guide pg.141). QUESTION The question that was proposed for investigation was: Can the exact concentration of 0.1M sodium hydroxide solution be determined by titration (Lab Guide pg. 141)? BACKGROUND DISCUSSION For this experiment we used titration to standardize the exact concentration of NaOH. Titration is the process of carefully adding one solution from a buret to another substance in a flask until all

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    Temperature Changes During the Addition of Sulphuric Acid and Sodium Hydroxide Solution Aim To investigate the temperature changes during the addition of sulphuric acid and sodium hydroxide solution. Introduction In this experiment we are using sodium hydroxide, sodium hydroxide, sulphuric acid. We are trying to find out how much acid it takes to neutralise alkaline. But there are many things that could effect my final result and I think that the main thing will be measuring the acid

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    The Concentration of Odium Hydroxide Solution by Titration Against the Primary Standard Ethanedioic Acid-2-Water Introduction Titration 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 solutions have just reacted completely

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    the relative atomic mass of lithium. 1) In the first method the RAM (Relative atomic mass) of lithium is determined by the Volume of hydrogen gas produced. 2) In the second method the RAM of lithium is determined by titrating the lithium hydroxide produced. To some extend, I think that the first method is the most practical and less complicated, because the less calculations has to be done. Hence it is more easer to measure the volume of hydrogen gas. Test-1 My mission was to find

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    INTRODUCTION ============ Aim- to investigate the effect that concentration has on a reaction on these factors: * Temperature rise * Heat evolved * Heat given off due to the neutralization between Hydrochloric Acid and Sodium hydroxide solution. Neutralization takes place when acids react with substances called bases. When they react their acidity is cancelled out, and the reaction always produces a salt and water. The base can be soluble (when called an alkali) or insoluble

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    Phenolphthalein Indicator * Burette * Numerous Test Tubes * Sticky Tape * Test Tube Rack * Sodium Hydroxide (NaOH) * Calculator * Sample of Commercially Safe Vinegar * 2 Surgical Swabs (large cotton bud) * Sample of Pervis Vinegar (Toxic) * 2 Agar Gel Plates * Universal Indicator * Incubator Oven * Incubator * Bunsen Burner * Water * 2 Small Syringes * Potassium Chromate Solution * Hydrochloric Acid Methods To fully determine and identify the unknown toxin present in the Pervis

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    Wear gloves · Do not mix more than two solutions · Only mix the solutions listed by the teacher · Handle the chemicals with extreme care · Put the chemical solutions into a test-tube which is resting on a test-tube holder · Follow school lab safety procedures. Materials: · Various chemicals. · Test tubes. · Boiling tubes. · Pipettes. · Test tube holder. · Bench mat. Method · I first copied the chemical solutions listed. · I put on some gloves and safety

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    acid to form a neutral solution; which contains salt and water. Acid + Base Salt + Water --------------------------- In my experiment I am trying to find out how much acid it takes to neutralise a base to form a neutral solution. I will use one molar of Nitric Acid as the acid and one molar of Ammonium Hydroxide as the base. So this will be a 1:1 ratio. (Molarity = how many molecules of the acid or alkali per 1000 cm3 (1 litre) of water.) Nitric Acid + Ammonium Hydroxide à Ammonium Nitrate + Water

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    Neutralisation

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    When a substance is neutral that means it contains the same amount of Hydrogen ions (H+) as Hydroxide ions (OH-). When an acid and an alkali react a salt is made, the salt made depends on the acid and alkali used, for example hydrochloric acid plus sodium hydroxide would give sodium chloride and water. In this case the sodium takes the chlorine away from the hydrogen and it leaves hydrogen and hydroxide which then bond to make water, in this case the sodium chloride is the salt produced. Acids

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    Neutralisation Reaction

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    Acid * 25ml Sodium Hydroxide Method/Plan of the experiment: First of all, I will set up the apparatus as the diagram shows: Then, I will measure out the acid and alkali using the measuring cylinder. Once I have done that, I will pour the 25ml of Hydrochloric Acid in to the conical flask. I will also pour the 25ml of Sodium Hydroxide into the burette, and adding 1cm cubed of alkali at a time into the conical flask, I will record the temperature of the solution made by the two substances

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