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Magnesium Oxide Reaction - Lab Report

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Introduction

Aim: To observe the various mass changes of a magnesium ribbon before combustion and then again after combustion and then compare the results, using different lengths of magnesium ribbons. Hypothesis: My hypothesis is that the mass of magnesium after it reacts with oxygen will be greater than the original mass of magnesium before the reaction took place. Apparatus: * Crucible * Lid of the Crucible * A magnesium ribbon (2cm for our group) * Sand paper * Tongs * Bunsen burner * Tripod stand * Clay Triangle Method: 1. Take the magnesium ribbon and clean it with the sand paper 2. Measure the weight of the empty crucible with the lid on 3. ...read more.

Middle

Keep opening the lid after a few minutes for the oxygen to come in and react with the heating magnesium 11. After the magnesium ribbon is heated and when magnesium oxide is formed, measure the weight and compare the weight of magnesium with magnesium oxide. Safety Measures/Precautions: * Wear safety glasses while doing the experiment. * The magnesium ribbon burning should be done under a teacher as this may cause severe burns to the skin if touched. * Get the assist of a teacher or parent to do the experiment Diagrams: Pictures of burning of magnesium ribbon: Results: Mass of lid + crucible = 43.82g Mass of lid + crucible + magnesium ribbon = 43.85g Mass of magnesium ribbon = 3g After burning: Magnesium oxide + lid + crucible ...read more.

Conclusion

That was the only main error that may have altered our results slightly. Other than this our experiment, was without any errors. Conclusion: My hypothesis was proved correct at the end of the experiment, as the magnesium oxide mass was greater than the magnesium ribbon at the start of the experiment. The magnesium oxide seemed like white ash in color. Magnesium is one of the alkaline-earth metals, and is one of the most common elements in the Earth's crust. In its pure form, it is silvery white, and relatively soft, like ash. It burns in air with a brilliant white light, as seen in the experiment, and for this reason is often used in flares and fireworks. The equation is: 2Mg(s) + O2(g) --> 2MgO(s) -Rohan M ?? ?? ?? ?? Rohan M ...read more.

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