### How many rhodium atoms could you buy for exactly one nickel

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Problem- Rhodium, a metal used as a catalyst and in jewelry, currently sells for \$1500. per troy ounce. If 6.022 x 10^23 rhodium atoms have a mass of 102.9 grams, how many rhodium atoms could you buy for exactly one nickel? (1 troy ounce = 31.1035 g)

Note: best answer using the chain rule gets max points

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