Honors Chemistry I Core Labs

Links:

Purpose:
To determine theoretically and experimentally the volume of one mole of H₂ at STP.

Summary:
Students react Mg with HCl in a gas burette, collect the gas, and calculate the molar volume converting to STP conditions.

Objectives Links:
1. E: Solids, Liquids, & Gases

Process Skills Checklist

Materials:

• gas burettes
• stoppers
• ring stand with utility clamp
• thermometer
• large beakers
• graduated cylinders
• 3M HCl
• Mg ribbon
• ruler

Safety Concerns:
Goggles and aprons; corrosive chemical is used; glass burettes are fragile; fume hood should be used in solution preparation

Revision Date:
Summer 2005