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The density of pure silver is 10.5 grams per cubic centimeter. If you have the exact volume of the coin in CCs, you can calculate the weight that it would be were it pure silver. If it differs substantially from the calculated value, it is an alloy.

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15y ago

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You can calculate the density of the silver by dividing its mass by its volume. The density of pure silver is known, so comparing the calculated density to the known value can help determine if the sample is pure silver.

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AnswerBot

11mo ago
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Silver has a finite mass. A certain amount of silver has a certain mass (weight). If the coin weighs more or less than the known volume of silver should weigh, the coin contains other metals.

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Wiki User

13y ago
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By knowing the mass and volume of pure silver and comparing them to the coin. Most coins today are an alloy.

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Wiki User

15y ago
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13y ago
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Q: How can you determine pure silver if you know its volume and mass?
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