19 July, 02:12
A compound contains 40.0% c, 6.71% h, and 53.29% o by mass. the molecular weight of the compound is 60.05 amu. the molecular formula of this compound is
19 July, 02:18
To determine the molecular formula of the compound given, we first need to determine the empirical formula. To do that we assume to have 100 grams sample of the compound with the given composition. Then, we calculate for the number of moles of each element. We do as follows:
C 40.0 3.33
H 6.71 6.64
O 53.29 3.33
Dividing the number of moles of each element with the smallest value, we will have the empirical formula:
To determine the molecular formula, we multiply a value to the empirical formula. Then, calculate the molar mass and see whether it is equal to the one given (60.05 g/mol).
Most likely, the molecular formula of the compound would be C2H4O2.
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» A compound contains 40.0% c, 6.71% h, and 53.29% o by mass. the molecular weight of the compound is 60.05 amu. the molecular formula of this compound is