QUANTITATIVE ANLYS CHEM 321
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This 1 page Class Notes was uploaded by Carmela Kilback on Wednesday September 9, 2015. The Class Notes belongs to CHEM 321 at University of Washington taught by Jaromir Ruzicka in Fall. Since its upload, it has received 29 views. For similar materials see /class/192548/chem-321-university-of-washington in Chemistry at University of Washington.
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Date Created: 09/09/15
CHEM 321 Homework 2 Winter 2004 Problem 1 A pH measurement repeated ve times gave the following values 542 545 546 540 546 Calculate the mean and the standard deviation Problem 2 A given sample containing sodium carbonates requires 2620 mL of 01000 M hydrochloric acid for titration according to the reaction 2HC1 Na2CO3 gt products Calculate the weight in milligrams of sodium carbonate Problem 3 How many milliliters of 025 M solution of H2804 will react with 10 mL of a 025 M solution of NaOH Problem 4 Calculate the solubility moles per liter of silver chromate AngrO4 in distilled water at 25 C KSp 11x1039 Problem 5 Calculate the solubility grams per liter of CaSO4 FW 13614 at 250 C in a distilled water b 050 M CaClz KSp 24 X 10395 Problem 6 Calculate the pH of 00125 M hydrochloric acid Problem 7 Calculate the pH of 0 10 M ammonia Ka NH4 570 x 1040
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