The molecular formula of a compound can be expressed as CnH2n if the molecular mass of the compound is 54u find the empirical formula
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Sorry if I am not wrong, is the question has no mistake.....
Nothing because in any way the molecular mass of CnH2n can't be 54
Unless n = 27/7
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Answer:
Yes, there are two errors:
1)The question provides the empirical formula of the compound and should actually ask for the molecular formula.
2) The molecular mass should have been 58 amu to give the intended answer.
Explanation:
12n + 1 (2n + 2) = 58
(The molecular mass is the sum of the masses of individual atoms that make it up. Atomic mass of C = 12, H = 1)
14n + 2 = 58
14n = 56
n= 4
Therefore, the molecular formula of the compound is C4H8.
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