Explain how many grams of copper are in the necklace

Reference no: EM13146737

An 18-karat gold necklace is 75 gold by mass, 16silver, and 9.0 copper. 1.What is the mass, in grams, of the necklace if it contains 0.29 of silver? 2. How many grams of copper are in the necklace? 3. If 18-karat gold has a density of 15.5 , what is the volume in cubic centimeters?

Reference no: EM13146737

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