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Collecting Gas Lab Report

506 Words3 Pages

By conducting the Collecting Gas lab, it was determined that we had an actual yield of 0.0031 moles of H2 compared to a theoretical yield of 0.0030 moles of H2. By plugging in the actual and theoretical yield into the percent error formula, it was determined that there was a +3.33% error. In order to come to the conclusion of the +3.333% error, students had to complete a series of calculations. These calculations included:
Converting the recorded room temperature from Celsius to Kelvin in order to plug the temperature value into the the ideal gas equation (PV = nRT).
Converting the recorded room pressure from inches Hg to millimeters Hg in order to find the total pressure to plug into Pressure Conversion and Adjustment equation, which finds the pressure of H2. (** use the water vapor pressure chart in order to find the pressure of water) …show more content…

Calculating the theoretical yield of moles of H2 , which was used to find the percent error.
Calculating the actual yield of moles of H2 by using the ideal gas equation (PV = nRT), where P stands for pressure in mmHg, V stands for volume in Liters, n stands for the number of moles, R stands for the Gas Laws Constant (62.4 L∙mmHg/ mol∙K ), and T stands for temperature in Kelvin. Once the number of moles are solved for, the number was used to find the percent error.
Calculating the percent error by plugging in the actual yield and theoretical yield into the following

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