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Answer to Question #45386 in Physical Chemistry for Justine Hemaya

Question #45386
1.The radius of a platinum atom is 139 pm. How many platinum atoms would have to be laid side by side to span a distance of 3.47 mm?

2.The mass of a single uranium atom is 4.70E-22 grams. How many uranium atoms would there be in 175 milligrams of uranium

3.The volume of a single uranium atom is 1.37E-23 cm3. What is the volume of a uranium atom in microliters
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