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72.6 grams of sodium (1 mole Na/22.99 grams)(6.022 X 10^23/1 mole Na)

= 1.90 X 10^24 atoms of sodium

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13y ago
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AnswerBot

6mo ago

To determine the number of atoms in 72.6 grams of sodium, you first need to convert grams to moles using the molar mass of sodium. Sodium has a molar mass of approximately 22.99 g/mol. Then, you use Avogadro's number (6.022 x 10^23) to convert moles to atoms.

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Q: How many atoms are there in 72.6 grams of sodium?
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