gracemartin4535
25.01.2020 •
Chemistry
Acompound has empirical formula ch2o and formula mass 120.10 amu. what is the molecular formula of the compound?
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Ответ:
mass (e.f) = 12.01 + 2 x 1.01 + 16 = 30.3 amu
Then, divide the given formula mass by the one calculated above,
n = 120.10 amu / 30.03 amu ≈ 4
Thus, the molecular formula is C4H8O4.
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