Home Lab Experiments Chemical Principles I Chemistry 217 Athabasca University

Experiment A4
Universal Gas Constant

	Standard HCl titration of NaOH.
As the title suggests, this experiment determines the universal gas constant. Nitrogen gas is produced and trapped over water. Using PV = nRT, you solve for R and compare your value to the literature value.

Equipment List	Chemical List
general pan balance retort stand and clamp 150-mL beaker 100-mL volumetric flask 50-mL volumetric flask 10-mL plastic pipette (end cut off) and syringe/glass bead 125-mL Erlenmeyer flask one-holed rubber bung and latex tubing latex tubing and curved straw 10-mL volumetric pipette 5-mL volumetric pipette pipette filler bulb vials tweezers ruler * pencil or pen * flat surface *	sulphamic acid sodium nitrite tap water*

* Not included in the kit; must be provided by the student at home.