Question

the empirical formula of compound is CH2O its molecular weight is 90

Answer 1

Since, empirical mass CH2O = 30.25 g/mole.

180.16 g/mol = (a number) x 30.25 g/mol.

(a number) = 5.956 or 6.

molecular formula = (6) x (CH2O) So, we did have C6H12O6.

Answer 2

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Here is the required answer : -

The empirical formula is CH2O.

The molecule is C6H12O6.

Hope my answer helped you.