Chem

Finding out the concentration of ethanoic acid in 2 brands of vinegar and determine which one is the better buy (plan) tool and chemicals -2 volumetric flaskful (250 cm3) -dropper -3 beakers (250 cm3) -filter funnel shape -burette (50 cm3) -pipette (25 cm3) -pipette makeweight -conical flask (250 cm3) -stand and burette clamp -white tile - flexible swoshbottle -distilled peeing -standard atomic number 11 hydrated oxide theme (approximately 0.1 M) -2 brands of colorless moneymaking(prenominal) vinegar in its genuine bottle (approximately 50 cm3 each) -phenolphthalein power Safety precautions Handle acids and al-Qaedas with care. In geek any acid or alkali gets into eyes, makeup to teachers immediately, and squawk the eyes under running water for at least 3 minutes. If any acid or alkali gets onto skin, wash the affected area with plenty of water. Experimental purpose 1. Dilute commercial vinegar brand A 10 propagation as follows: (a) Wash t he pipette with water, then with the vinegar A. (b) Using a pipette makeweight and the washed pipette, tape transport 25.0 cm3 of the vinegar A into a 250.0 cm3 volumetric flask. (c) Pour distilled water from a plastic wash bottle through a filter funnel into the volumetric flask, to a level 2 cm on a set about history the graduation mark. (d) Add distilled water from a dropper until the tear down meniscus of the theme just rests on the graduation mark. (e) jamming the stopper in position, invert the flask several generation to mix the contents well. 2. (a) Wash the pipette with water, then with the dilute vinegar A solution. (b) Using a pipette filler and the washed pipette, transfer 25.0 cm3 of the diluted vinegar A solution into a clean conical flask. (c) Add 2 drops of phenolphthalein indicant to the flask. 3. (a) Wash the burette with water, then with the standard sodium hydrated oxide solution provided. (b) Fill the burette with the sod ium hydroxide solution. (c) depository! up the apparatus as shown. [pic] (d) Take the initial burette reading (to 2...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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