Chemistry, 12.01.2020 08:31 agrenfroe

An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper.
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 the 18- karat gold has a density of 15.5g/cm^3, what is the volume in cubic centimeters?

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An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper.
a. what is the mas...

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