paigeheadley6725 paigeheadley6725

22-02-2018
Chemistry

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A sample of c3h8 has 4.56 Ã 1024 h atoms. how many carbon atoms does the sample contain?

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Dejanras Dejanras

03-03-2018

Answer is: there is 1,368·10²⁵ atoms of carbon.
N(C₃H₈) = 4,56·10²⁴.
From molecular formula: in one molecule of propane there is three atoms of carbon:
N(C) = 3 · 4,56·10²⁴.
N(C) = 1,368·10²⁵.

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