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likoan [24]
2 years ago
11

Which structure represents nonane?

Chemistry
1 answer:
goldfiish [28.3K]2 years ago
7 0

Explanation:

i don't understand what you wrote, but nonane is C9H20

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a compound has an empirical formula of CH2 what is the molecular formula if it's molar mass is 252.5 grams/mol
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Empirical formula is the simplest ratio of components making up the compound. the molecular formula is the actual ratio of components making up the compound.

the empirical formula is CH₂. We can find the mass of CH₂ one empirical unit and have to then find the number of empirical units in the molecular formula.

Mass of one empirical unit - CH₂ - 12 g/mol x 1 + 1 g/mol x 2 = 12 = 14 g

Molar mass of the compound is - 252 .5 g/mol

number of empirical units = molar mass / mass of empirical unit

                                           = \frac{252.5 g/mol}{14 g}

                                           = 18 units

Therefore molecular formula is - 18 times the empirical formula

molecular formula  - CH₂ x 18 = C₁₈H₃₆                                            

molecular formula is C₁₈H₃₆  

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