Question
Asked Oct 5, 2019

The molecular mass of the compound is 90 amu. What is the molecular formula? Insert subscripts as needed. 

CHO

check_circleExpert Solution
Step 1

Given:

The mass of compound = 90 u

Empirical formula = CHO

Molecular formula = (Empirical formula)n

 n = molecular formula mass / empirical formula mass

Molecular formula mass = 90 (given)

Empirical formula mass = sum of masses of elements in the given EF

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