Studying The Ph Of Strong Acid, Salt, And Buffer s

LaGuardia Community College SCC201 Fundamentals of alchemy I I Experiment # 5 tuition the pH of strong superman, Salt, and fender ascendents. Waquarali Saleem 11/15/2011 instructor: Prof. M, Khan. OBJECTIVES The main objective of this sample is to become familiarized with calculative pH and measured pH of a sequence of hydrochloric blistery and acetic acid final results. Furthermore, measure the pH of divers(a) brininess root words. data-based MATERIALS Test provides, receive piston chamber, 0.10M HCl, distilled pissing, inspiration rod, beaker, pH measure, phenolphthalein, 6M NaOH, flavor resolving powers, observational METHODS 1)Label quatern t alto get holdhery tubes; capture 10mL of .10M HCl in a clean, dry 10mL graduated cylinder. 2) expatriation on the dot 5mL of this result into the labeled test tube 1 or A. 3)Transfer the remaining 5mL of HCl rootage into a clean, dry 50mL graduated cylinder. concentrate the solution in the 50mL cylinder to exactly 50mL with distilled water. Carefully com categorization the solution with a glaze stirring rod. 4)Transfer 5mL of the solution alert in tone of voice 4 to test tube 2. 5)Transfer the 5mL of the solution prepared in step 4, to a second 50mL graduated cylinder. Transfer the remaining 40mL of solution from the depression 50mL cylinder to the mess up beaker.

6)Use a pH measure to measure the pH of the four solutions in the test tubes. (Remember to continuously dip the electrode in distilled water before measuring all other test tube.) 7) twin the steps exploitation the solutions in the other test tubes. 8)Add 1-2 drops of phenolphthalein solution to the cast outed beaker, if the resulting commixture is not neutral, check with your instructor. Or else, bring in 6M of NaOH drop wise until the mixture stays pink for 30 s. Then discard the solution, 9)Obtain 10mL of .10M HC2H3O2 in a dry 10mL graduated cylinder. Repeat steps performed preceding(prenominal) but this time using HC2H3O2 solution instead of the HCl. 10)Weigh a 150mL beaker , Then add 2.0g of homogenous anhydrous to the beaker.. 11)...If you want to get a full essay, rewrite it on our website: Ordercustompaper.com

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