The empirical formula of a substance is ch2o its molar mass is 180 what is the molecular formula

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A compound with an empirical formula of CH2O has a molar mass of 90.08 g/mol. What is its molecular formula?

Text Solution

`C_2H_2O_4``C_2H_4O_6` `C_6H_(12)O_6` `C_2H_4O_8`

Answer : C

Solution : Molar mass of Carbon = 12. <br> Molar mass of Hydrogen = 1. <br> Molar mass of Oxygen = 16. <br> Mass of `CH_2O` = 12+2(1) +16=30. <br> Molecular weight of compound given is 180. <br> So, the molecular weight is `(180)/(30)` = 6. <br> `implies` Molecular formula of compound is `C_6H_(12)O_6`

The empirical formula and molecular mass of a compound are CH2O and 180 μ respectively. What will be the

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