Molecular Formula of Magnesium Oxide

Topics: Oxide, Magnesium, Magnesium oxide Pages: 3 (542 words) Published: April 4, 2013
IBDP CHEMISTRY
Practical Report

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

Declaration

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.

Signature: ___________________________________

Marks: ____________________________________

Introduction

This experiment was conducted to work out the formula of Magnesium Oxide using the masses of oxygen and magnesium.

Aim

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...
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