Molar mass of C7H4O2:
C7H4O2 7 C × 12.01 g/mol C = 98.07 g/mol
4 H × 1.01 g/mol H = 4.04 g/mol
2 O × 16.00 g/mol O = 32.00 g/mol
Total: 120.1 g/mol
What is the molecular formula of the following compound?
Empirical formula C7H4O2 (ℳ = 240.20 g/mol)
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