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A nugget that is supposedly gold istested to determine its density It is found to displace 19.3ml of water and has a mass of 371 grams Is it gold?
Wiki User
∙ 16y ago
Your "gold" nugget weighs 371 grams. It displaces 19.3 ml of water. The 19.3 ml of water is 19.3 cc of water. (Water weighs 1 gram per cubic cemtimeter.) You have a nugget that weighs 371 grams and has a volume of 19.3 cc. Let's see how much a cubic centimeter weighs by dividing the weight by the volume. 371 g / 19.3 cc = 19.2 g / 1 cc = 19.2 grams per cubic centimeter. As gold has a specific gravity of about 19.3, that means that it is 19.3 times as heavy as an equal volume of water. Water weighs 1g/cc and the nugget weighs 19.2g/cc, so it looks like the nugget may very well be gold. It certainly has about the right density. Remember that a gold nugget isn't pure gold. Its gold content can vary because there is always a bit of silver and/or copper as an alloy in the nugget. And the percent of gold will vary from the high 90's to the low 80's or even less, in some cases.
Wiki User
∙ 16y ago
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