Chem

Finding out the concentration of ethanoic acid in 2 brands of acetum and determine which one is the better buy (plan) tool and chemicals -2 volumetric flask (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 allow bottle (approximately 50 cm3 each) -phenolphthalein power Safety precautions Handle acids and bags with care. In geek any acid or alkali gets into eyes, get across 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 number 1. Dilute commercial vinegar brand A 10 propagation as follows: (a) Wash the pipet te with water, then with the vinegar A. (b) Using a pipette makeweight and the washed pipette, give 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 cut down the graduation mark.

(d) Add distilled water from a dropper until the begin meniscus of the resultant just rests on the graduation mark. (e) fracture the stopper in position, invert the flask several times to mix the contents well. 2. (a) Wash the pipette with water, then with the weaken vine gar A solution. (b) Using a pipette fill! er 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 indicator to the flask. 3. (a) Wash the burette with water, then with the standard sodium hydroxide solution provided. (b) Fill the burette with the sodium hydroxide solution. (c) lodge up the apparatus as shown. [pic] (d) Take the initial burette reading (to 2...If you want to get a full essay, class it on our website: OrderCustomPaper.com

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