ubax1421
ubax1421
21-02-2020
Chemistry
contestada
How many atoms are there in 10.0 g of sodium?
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GalacticKitten
GalacticKitten
21-02-2020
Use the grams to moles first. The molar mass of sodium is 22.99g, so 10/22.99 ≈ 0.43 moles. The use moles to atoms conversions. 0.43 x (6.022 x 10^23), which would be about 2.62 x 10^23 atoms in 10g of sodium.
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