Practical Use of the Ideal Gas Law

# Practical Use of the Ideal Gas Law - Practical Use of the...

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Practical Use of the Ideal Gas Law: Identification of an Unknown Metal Sample Anam Ahmad CHEM 211-204 3/25/09 Lab Report

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Purpose: The purpose of this lab is to identify the metal sample chosen at random from 3 possibilities Procedure: 1. fill 400mL beaker with Tap water (1/2 way) 2. fill 50 mL graduated cylinder with water and cover opening and put into beaker, upside down 3. thread rubber tubing into graduated cylinder under water 4. put a finger size of HCl into medium test tube with piece of preweighed metal 5. allow HCl and metal to mix causing H 2 gas to form and move to GC 6. wait until all the metal is gone and measure the amount of H 2 gas formed 7. clean up and repeat 2 more times Results and Calculations: RAW DATA Temp Pat Pw number w1 Vg1 w2 Vg2 w3 Vg3 unkn_num 20 748 19.7 3 0.05 23.9 0.053 19.76 0.064 23.99 2 20 748 19.7 3 3.251 37 3.247 34.5 3.246 35 1 20 748 19.7 3 0.061 17 0.067 23 0.065 23 2 20 748 19.7 3 0.062 23 0.069 26 0.079 24 2 20 748 19.7 3 0.062 23 0.059 22.5 0.068 26 2 20 748 19.7 3 0.057 21 0.069 26.5 0.076 28 2 20 748 19.7 3 0.065 22 0.065 24 0.07 25.5 2 20 748 19.7 3 0.038 40 0.036 39 0.032 33 1 20 748 19.7 3 0.017 25.8 0.014 20.8 0.015 23.1 3 20 748 19.7 3 0.027 34 0.028 32 0.036 35 1 20 748 19.7 3 0.017 23.5 0.016 22.2 0.015 17.5 3 Explanation of Chart: (obtained from Lab Handout) Number = The number of trials: 1, 2, or 3 w1 ,w2, w3 = Weight of sample (in g) for each trial (given to 3 decimal
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Practical Use of the Ideal Gas Law - Practical Use of the...

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