Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.50 g and has a volume of 0.583 cm. Gold has a density of 19.3 g/cm3 and copper has a density of 8.96 g/cm'. Calculate the percentage by mass of each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains. gold: сорper:

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Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.50 g and has a volume
of 0.583 cm. Gold has a density of 19.3 g/cm³ and copper has a density of 8.96 g/cm³. Calculate the percentage by mass of
each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains.
%
gold:
соррer:
Pure gold is defined as having 24 carats. When mixed in an alloy, the carats of gold are given as a percentage of this value.
For example, a piece of jewelry made with 50% gold has 12 carats. State the purity of this piece of red gold jewelry
in carats.
carats
purity:
PrtSc
Insert
De
F9
F10
F11
F12
F8
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Ba
5
8.
Y
11
H
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K
MN
IN
Transcribed Image Text:Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs 8.50 g and has a volume of 0.583 cm. Gold has a density of 19.3 g/cm³ and copper has a density of 8.96 g/cm³. Calculate the percentage by mass of each metal in the jewelry. Assume the total volume of the jewelry is the sum of the volumes of the two metals it contains. % gold: соррer: Pure gold is defined as having 24 carats. When mixed in an alloy, the carats of gold are given as a percentage of this value. For example, a piece of jewelry made with 50% gold has 12 carats. State the purity of this piece of red gold jewelry in carats. carats purity: PrtSc Insert De F9 F10 F11 F12 F8 F7 & Ba 5 8. Y 11 H J K MN IN
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