An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. 12.6, 2.72
Chapter 0, Problem 2.98(choose chapter or problem)
An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. 12.6, 2.72 a. What is the mass, in grams, of the necklace if it contains 0.24 oz of silver? b. How many grams of copper are in the necklace? c. If 18-karat gold has a density of 15.5 g>cm3 , what is the volume in cubic centimeters?
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