janetexcoelho
31.07.2019 •
Chemistry
Asample of c3h8 has 4.56 ã 1024 h atoms. how many carbon atoms does the sample contain?
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Ответ:
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.
Ответ:
B
Explanation: