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The sugar ribose consists of 40.00 % C, 6.714 % H, and 53.29 % O. What is its empirical formula? Its molecular mass is 150.1 g/mol. What is its molecular formula?

Respuesta :

Answer:

EF CH2O   MF   C5H10O2

Explanation:

C40/12H6.7/1 O53.29/16  =  C3.33H6.7O3.33

Divide by 3.33   C1H2O1    empirical mass  = 30g/mol

Mol mass 150.1 g/mol  5 times more

multiply empirical formula by 5

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