---
title: "Reacting masses: burning magnesium Template | MolDraw"
url: https://www.moldraw.com/templates/setup-mg-crucible/
description: "Reacting masses: burning magnesium template: GCSE / high school and AP / IB: magnesium ribbon heated in a lidded crucible on a pipe-clay triangle on a…"
lang: en
publisher: Scidart Academy
generated: 2026-10-28
---
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# Reacting masses: burning magnesium template

![Reacting masses: burning magnesium template: GCSE / high school and AP / IB: magnesium ribbon heated in a lidded crucible on a pipe-clay triangle on a tripod; weighed before and after on a balance. 2Mg + O₂ → 2MgO.](https://www.moldraw.com/templates/setup-mg-crucible.webp)

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GCSE / high school and AP / IB: magnesium ribbon heated in a lidded crucible on a pipe-clay triangle on a tripod; weighed before and after on a balance. 2Mg + O₂ → 2MgO.

## What the template shows

- Find the mass of oxygen that combines with magnesium, and the formula of the oxide
- Lift it a little now and then with tongs: lets oxygen in but keeps the white MgO smoke in
- Crucible + Mg ribbon
- Clean the ribbon with emery paper and coil it loosely
- Pipe-clay triangle
- Bunsen burner
- Heat strongly; do not look straight at the burning Mg
- Weigh crucible + lid, then with Mg, then after heating; reheat to constant mass. Mass gain = oxygen
- Crucible tongs
- Hot crucible: cool on a heatproof mat
- Reaction setup

Drawn with 15 shapes – every one editable in MolDraw.

## Sources

- [Housecroft & Sharpe, Inorganic Chemistry, 5th ed., Pearson 2018](https://openlibrary.org/isbn/9781292134147) Textbook

## How to use this template

1. Press **Edit in MolDraw**. The template opens on the canvas of the free MolDraw editor.
2. Change anything: move structures, edit atoms and labels, recolour highlights or delete what you do not need.
3. Add your own structures, arrows and text next to it, or combine several templates on one page.
4. Export the drawing as PNG, SVG or PDF for slides, worksheets, theses and papers.

## Frequently asked questions

### Is the Reacting masses: burning magnesium template free?

You can preview the Reacting masses: burning magnesium template here and open and edit it in MolDraw for free. Downloading or exporting it is part of MolDraw Pro, together with the other premium templates.

### Can I edit the Reacting masses: burning magnesium template?

Yes. It opens as an ordinary MolDraw drawing, so every structure, arrow, label and colour can be changed, and you can add your own content around it.

### Is the chemistry checked?

Every structure is checked with RDKit and every curly arrow passes MolDraw’s electron-flow audit. The sources used are listed on this page.

### Can I edit the glassware?

Yes. Every piece of glassware is a MolDraw apparatus object: move, resize, recolour the liquid or swap a piece and the joints stay connected.

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