Gold prices in early 2016 were approximately $41 per gram.Given that the mass of a gold atom is approximately 3.27 *10^-22 grams, how many gold atoms could you buy with a quarter ($0.25)?

Question

Quizplus · Accepted Answer

To find the number of gold atoms you can buy with $0.25, first calculate the mass of gold you can buy: $0.25 / $41 per gram = 0.0061 grams. Then, divide this mass by the mass of a single gold atom: 0.0061 grams / 3.27 x 10^-22 grams/atom = 1.9 x 10^19 atoms.

Gold Prices in Early 2016 Were Approximately $41 Per Gram