A compound has the empirical formula CH₂ and a molar mass of 70 g/mol. What is the molecular formula of the compound? Write the molecular formula in the blank: _________.
Answer & Analysis
Analysis
Question Analysis
This question assesses the student's ability to determine the molecular formula from the empirical formula and the molar mass.
Key Concept Explanation
The molecular formula is a multiple of the empirical formula. The molar mass of the molecular formula is n times the molar mass of the empirical formula, where n is a positive integer.
Step-by-step Solution
1. Determine the molar mass of the empirical formula CH₂:
2. Calculate n using the given molar mass of the compound:
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