In the Summer of 2010, Platinum (195

question 114

Multiple Choice

In the summer of 2010, platinum (195.078 g/mol) sold for $1,500/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 F* 10⁶ atoms
• C) 6.5 *10¹⁹ atoms
• D) 1.5 *10¹⁸ atoms
• E) 5.8 * 10¹⁷ atoms

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