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28-01-2021
Chemistry

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How many grams are in 4.25x10^21 molecules of sodium oxide

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31-01-2021

Answer: 0.37g

Explanation:avogadro number = 6.02214076x10^23 atoms/molecules per mole

a mole of Na2O = 2*23 + 16 = 52 g

4.25x10^21 atoms = 52*(4.25*10^21/6.02214076*10^23) = 0.37 g

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