The Water level was 15 milliliters before adding the chain, and 20 milliliters after adding item chain. when I weighed the chain, it's mass was 64.8 grams.  I believe the chain is solid metal but it's probably a blend of gold and other metals. I looked up that gold has a density of 19.3 g/ml, while the other metals like silver and copper usually blended with gold have a combined density of about 9.7 g/ml.  determine what percentage of the chain is gold, by mass, to at least 1 decimal place?   ___%

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 8E
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The Water level was 15 milliliters before adding the chain, and 20 milliliters after adding item chain. when I weighed the chain, it's mass was 64.8 grams. 

I believe the chain is solid metal but it's probably a blend of gold and other metals. I looked up that gold has a density of 19.3 g/ml, while the other metals like silver and copper usually blended with gold have a combined density of about 9.7 g/ml. 

determine what percentage of the chain is gold, by mass, to at least 1 decimal place?

 

___%

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