heifnern4096 heifnern4096
  • 12-06-2017
  • Chemistry
contestada

The empirical formula for a compound is CH2. Its molar mass is 140.1 g/mol. What is its molecular formula?

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JoshEast
JoshEast JoshEast
  • 22-06-2017
The empirical formula CH₂ has a mass [(12 × 1) + (1 × 2)] = 14 g/mol

If the empirical formula is 14 g/mol,
and the molecular formula is ~140 g/mol

Then the multiple is = 140 g/mol ÷ 14 g/mol 
                                = 10

Therefor the molecular formula is 10(CH₂) = C₁₀H₂₀  
Answer Link
mick7520
mick7520 mick7520
  • 19-03-2020

Answer:

c10h20

Explanation:

Answer Link

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