Molecular Formula of Magnesium Oxide
Name: Bovorn Wangrattanasopon
Class: 4 Excellence (IBF)
Date: 25 January 2013
Teacher in Charge: Johnson Cheng /John Ong
IA Criteria Assessed: MS/DCP
I declare that this report I have submitted is my own original work and I have acknowledged the use of words or ideas of another person.
This experiment was conducted to work out the formula of Magnesium Oxide using the masses of oxygen and magnesium.
To work out the molecular formula of Magnesium Oxide.
Apparatus & Chemicals
1. Goggles 2. Bench mat
3. Tripod 4. Bunsen burner 5. Pipe clay triangle 6. Crucible & lid 7. Tongs 8. Magnesium ribbon 9. Small piece of sandpaper 10. Digital Balance
| Trial 1| Trial 2| Trial 3| Average|
Mass of empty crucible/g| 37.81| 37.82| 37.83| 36.82|
Mass of crucible with Magnesium/g| 37.85| 37.86| 37.85| 37.85| Mass of crucible with Magnesium Oxide/g| 37.86| 37.87| 37.87| 37.87| Aspect 1 - Recording Raw Data
Data Collection – Quantitative ±0.01
Data Collection – Qualitative
| Qualitative Observations|
Colour of Magnesium ribbon| Silver|
Colour of Magnesium oxide| White|
Combustion of Magnesium ribbon| Glowing spark, Pungent smell| Before/During Reaction...