Experiment 4 Worksheet

Experiment 4 Worksheet - Printed Name_ TA's name _ Lab...

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Printed Name____________________________ TA's name _______________________ Lab partner's name __________________________ I have completed this homework independently, in accordance with all the provisions of the ethics statement inside the front cover of the lab manual. I have not looked at work from other students from this year or from previous years. Signature ____________________________ Date ________________ NOTES: Be neat. No regrades will be given for answers in pencil. REMEMBER TO ATTACH YOUR GRAPHS FOR QUESTIONS 2 AND 6. 1. (8 pts) Data and results for concentration trials – Fill out the following tables for all your trials in Part A. You should add as many rows as necessary to show all your trials, even the wild ones. Please indicate any trials that you repeated because you thought the original one might be wild. (You can only ignore a point in calculations and graphs if you repeated it.) Show the calculation for [S 2 O 3 2- ] and [H 3 O + ] at the beginning of one trial below the tables on this page. (This should be different for both lab partners – the partner with the last name earlier in the alphabet should show a calculation for their first good trial in Table 1 and the partner with the last name later in the alphabet should show a calculation for their last good trial in Table 2. If there is a third partner, they should use the last good trial in Table 1.) Table 1: Data for the trials varying S 2 O 3 2- Trial S 2 O 3 2- (ml) HCl (ml) H 2 O (ml) [S 2 O 3 2- ] i (M) [H 3 O + ] i (M) T ( o C) Time (s) Wild (Y/N) 1 2 3 4 5 Table 2: Data for the trials varying H
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This note was uploaded on 04/08/2012 for the course CHEM 101 taught by Professor Draper during the Spring '06 term at Johns Hopkins.

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Experiment 4 Worksheet - Printed Name_ TA's name _ Lab...

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