lala168 lala168

01-12-2016
Chemistry

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How much gold (in percent) is present in 18 carat gold peice of jewelry?An 18 carat piece piece of gold contains 18 parts gold in 24 parts of the alloy

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leorawr leorawr

01-12-2016

18-the part
________ = .75
24-the whole

.75 • 100 = 75%

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