Growing Alum Crystals

... Abstract The aim of this experiment was to determine the effect temperature on the alum crystal growth by altering the dependant variables ranging from an incubator, a freezer and a cupboard in room temperature for ten days. It was hypothesized that the crystal in the incubator would grow the biggest because the solvent will evaporate faster resulting in the crystals to grow faster. After the experiment was conducted, it was concluded that the crystal in the cupboard grew and weighed the largest. There are certain explanations as to why the crystal in the incubator should have grown the largest and other reasons why the experiment wasn't conducted successfully; mainly because the crystals were exposed to the allocated environment for a very short period of time. Introduction The chemical formula for potassium alum is KAl(SO4)2.12H20 signifying that the reaction is composed of potassium, aluminium, sulphate and water (Barthelmy D, 2005). Potassium

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