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An alloy contains 54 g of pure silver and 18 g of pure copper. what is the percentage silver in the alloy?

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To determine the percentage of silver in the alloy, we simply have to divide the mass of pure silver by the total mass of the alloy and multiply the quotient by 100%.

P = ((54g) / (54g + 18g)) x 100%

Simplifying,

P = 75%

Hence, silver is 75% of the alloy.
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