Platinum (195

Multiple Choice

Platinum (195.078 g/mol) once sold for $560/oz. One ounce is equal to 28.35 g. How many platinum atoms could you buy with a penny ($0.01) ?

A) 5.0*10²⁰ atoms
B) 2.6 * 10⁶ atoms
C) 6.5 *10¹⁹ atoms
D) 1.6 *10¹⁸ atoms
E) 5.1*10¹⁸ atoms