Malachite Investigation
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... o draw an accurate conclusion due to the considerable range of percentages (range of 27.9%). However, if one considers the fact that the maximum amount that there could be in a sample is 53% (see below; such a sample would not contain any sand), then the average percentage of 30.8% seems reasonable, if not accurate, since the make-up of the malachite samples leant towards there being more sand than green powder (which contains the copper). À The procedure itself unfortunately allows for inaccuraci ...
