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29 September, 22:39

Determine a massa de um átomo de carbono12 em gramas

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  1. 30 September, 00:10
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    I believe it would be 1.660539040 * 10-24 gram.
  2. 30 September, 01:07
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    The mass of an atom of carbon-12 is 1.993 * 10⁻²³ g.

    1 C atom has a mass of 12 u.

    1 mol of C atoms has a mass of 12 g.

    ∴ Mass of 1 C atom = 12 g/6.022 * 10²³ C atoms = 1.993 * 10⁻²³ g
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