Question

What is the molecular formula of a molecule that has an empirical formula of CH and a molecular mass of 78.11 g

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Answer 1

Answer: C6H6

Explanation: Molecular Formula is the molecular mass divided by the empirical formula mass of CH which is C 12and H is 1 so 12 + 1= 13 g CH

Solution:

78.11 g CH / 13 g CH = 6