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What is the mole of 125 mg of Na? How many Na atoms?
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What is the mole of 125 mg of Na? How many Na atoms?

User Aholtry
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(125 mg Na) x (1 g/1000mg) x (1 mol of Na/22.99 g) = 5.43 E -3 mols of Na

5.43 E -3 mols x 6.022 E 23 = 3.27 E 21 Na atoms
User Dziobaczy
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