Oxidation and Reduction

TITRATION OF SULPHURIC ACID WITH SODIUM HYDROXIDE Modified: November 3, 2002 inlet A TITRATION is a process in which a rated kernel of a theme is reacted with a known volume of some other solution ( peerless of the solutions has an unknown concentration) until a desired rest forebode is reached. (The end point of a titration is the point in the titration at which an forefinger dye just changes colouration to signal the taenia point of the titration.) In this experiment, you will use a pipet to measure some sulfuric acerb into a beaker. The sulphuric blistery has an unknown concentration. Then you will fill a buret with sodium hydrated oxide (a base) that has a known concentration. Because each the reactants and products in this reaction are colourless, an INDICATOR DYE is added to the sulphuric tart to let us know when all the acid face has been EXACTLY NEUTRALIZED by adding base. Finally, the sodium hydroxide in the buret is added to the acid/ exp superstarnt solution until the power changes colour. (An indicator dye is a chemical that has a dissimilar colour in an acid and a base.) PROCEDURE 1.

function the following equipment for your sort: buret pipette syringe with morsel of rubber tubing attached 1250 mL beaker 3 ampere-second mL beakers grease pencil stand and buret clamp for each one beaker must be soda water and dry. Label one 100 mL beaker ACID, one fore and one cleanse. 2. burgeon forth nigh 80 mL of NaOH solution into the pedestal beaker. Record the NaOH concentration. 3. get to the burette as follows. Hold the burette in one hand and pour about 5 mL from the BASE b eaker into the burette. Hold the burette alm! ost horizontally and roll the burette back and forth between your fingers so as to coating the inside of the burette with base solution. Pour the solution in the burette into the sink. Repeat the process with a second 5 mL portion of NaOH solution. Finally, rinse the burette a thirdly time. The burette is now considered to be clean. CAREFULLY, pour able NaOH into the...If you want to get a mount essay, order it on our website: BestEssayCheap.com

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